901 n14 v29 (中英文)SMT鋼板作業標準SMT stencil operation standard

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Doc. No.: 901-N14
REV: 29
SMT Stencil Operation Standard
PAGE 1 OF 32

Revision History
Rev.
Status

Revision Date

Revised By

1

2003/4/11

Paul Hsiao

2

2004/12/22

文文文
Marco Chen

3

2005/12/27

文文文
Tom Lee

4

2006/1/13

文文文
Arthur Chang

(1) 文文文文文文文文文文文文文
(2) 文文文文文文文文文文文
(3) 文文文文文文文文文文文文文文文文

5

2006/6/22

文文文
Daniel Chen

(1) 文文 5.4 /6.1 /6.4 文文文文文文 30N 文文 25N
(2) 文文 6.3 文文文文:文文文 3 文文文文文文文文文文文
(3) 8.0 文文文 Form 文文文文文文

6

2006/11/10

Daniel Chen

(1) 文文 8.2 文文文文文文文
(2) 文文 8.4 文文文文文文

7

2006 /11/10

Daniel Chen

(1)文文文文文文文文文

8

2007/4/19

文文文
Arthur Chang

(1) 文文 6.5.4 , 6.6.5
(2) 文文 6.6.3

9

2007/07/09

文文文
文文文文 6.7.5 文文文文文文文文
Wenhish Tseng

10

2008/3/18

文文文
Rocky Lee

Description

NEW
10.3/10.4 文文文文文文文文文/10.5 文文文文文文
文文文文文文文文文/4.4 10-4 文文文文文文文文:30N/CM 文文
9-3 文文文文文文文文 Check list 文文 901-N14-03 /8-1 文文文文文文
文
(1) 文文 ROHS 文文文文

文文 6.7.4 文文文文文文文文文文文

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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SMT Stencil Operation Standard
PAGE 2 OF 32

Revision History
Rev.
Status

Revision Date

Revised By

Description

11

2008/08/28

文文文
Rocky Lee

12

2008/11/6

文文文

Daniel Chen

1.文文 7.2WNC 文文文文文文 SOP
2.文文 7.3NQJ 文文文文文文 SOP
3.文文 6.1 文文文文文文文文文 85000 文

13

2009/7/21

文文文
Kyle Young

1.文文 6.6.3 文文文文文文文文文文

1.文文 5.7.3/5.7.4 文文文文文文文
2.文文文文 6.1 文文文文
3.文文 6.5.4 文文文文文文
4.文文 5.7.6.2 NQJ 文文文文文文
5. 文文 5.7.10 文文文文文文文
6. 5.7.11 文文文文文文文文文文文文文
7. 5.7.12 文文文文文文文文文 KM 文
8.文文 5.8 文文文文文
9. ORG 文文 ALL

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006

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SMT Stencil Operation Standard
PAGE 3 OF 32

Revision History
Rev.
Status

Revision Date

Revised By

Description

14

2011/03/28

文文文
Kyle Young

文文文/Kyle Young
1. 文文 5.8.1 文文文文文文文文

2. 文文 5.9.4 文文文文 30 文文文文文文文文
文文文/Arthur SD Chang
3. 文文文8.1 文文文文文文文(Form No:901-N14-01)文 NQJ 文
文.
4. 文文文5.7.7 文文文文文文文文文文文文文文文文文文., 文 NQJ 文文..
5. 文文 8.4 文文文文文文 Check List (Form No:901-N1406),文 8.2 文文.
6. 5.3 文文文文文文文文文文文 L736mm x W736mm x
H30mm ±1.0mm 文文.
7. 5.7.6.2 NQJ 文文文文文文文文文文文文文文文文文文文
8. 文文 6.1 & 6.6.4 文文文文文文文文文文
9. 文文 5.4 文文文文文文:
文文文文≥0.12mm,文文文文>45N/cm.
文文文文<0.12mm,文文文文>40N/cm.
10. 文文 6.5.6 文文文文文5 文文文文 SFCS 文文文文文 45000 文文文
文文文文 NQJ 文文文
11. 文 6.6.1 文“文文文文”文文文“文文文文文文”

15

2011/6/25

文文文

16

2011/10/27

文文文
Arthur SD
Chang

1.
2.
3.
4.

文文 5.7.11 文文
文文 5.7.13 文文
文文 6.9 文文文文文文文文文文文文文
文文文文 8.4 文文文文文文文

17

2011/12/30

文文文
Rocky Lee

1.
2.
3.
4.

文文 5.10 WTQ 文文文文,文文文文文文
文文 6.1 文文文文文文文文 30N/cm
文文 6.4 文文
文文文文 8.5 文文文文/文文文文

18

2012/05/18

文文文
Rocky Lee

1.
2.

文文文文文文文文文文,文文 5.7.6.1 WNC 文文文文文文文文文文
文文文文文文文 6.5.6 文文文文文文文文文文

文文文文文文 NQX

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


Document Content
□文文文文 Addition of Document
█文文文文 Alteration of Document
□文文文文 Revocation of Document
Subject: SMT 文文文文文文
Doc. No.: 901-N14
REV: 29
SMT Stencil Operation Standard
PAGE 4 OF 32

Revision History

Rev.
Status

Revision Date

Revised By

Description

19

2014/04/04

文文
Fenix Tang

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.

5.7.8 文文 NQJ&NQX 文文文文文

5.7.10 & 5.7.12 文文 NQJ&NQX 文文文文文文文文文
5.9.3 文文 WTQ 文文文
6.1 文文文文文文文文:≧30 N/cm.
6.4.4 文文 NQJ & NQX 文文文文文文文
6.4.5 文文 NQJ & NQX 文文文文文文文
6.5.2 文文 NQJ &NQX 文文文文文文文文
6.5.4 文文文文文文文:≧30 N/cm.
6.8.2.1 文文 NQJ &NQX 文文文文文文文文
文文 5.9.3 文文文文 WTQ 文文文文文;
文文 5.11 NQJ & NQX 文文文文,文文文文文文
文文文文文文 Check List 文文文文文901-N14-03文

20

2015/03/18

文文
Fenix Tang

1.

文文 6.1 & 6.5.4 文文文文文文文文
(1)文 5 文文≧30N/cm,文 5 文<30N/cm 文文 NG;
(2)文文 5 文,文文文文文 <25N/cm 文 NG;
(3)文文 5 文,文文文文文文 25~30N/cm 文文文 Pass, 文文≧2 文
文 25~30N/cm 文文文文 NG;
文文 6.4.1NQJ &NQX 文文文文文文文 12 文文/文文
文文 6.4.4 NQJ &NQX 文文文文文文文 12 文文/文文

2.

3.
21

2015/11/01

文文
Fenix Tang

1
2
3
4
5
6
7
8
9

文文 6.1 文文文文文文文文文文“文文文 WTQ”文文文
文文 5.7.7文文文文文文文文文文 2S label 文文 sfcs 文文文
5.8.2 文文 NQJ &NQX 文文文文文文文文文文文文文文文文文
6.4.6 文文文文文 SFCS 文文 48000 文文文文
文文 6.5.6文文文文文文文 901-N14-03文
文文 6.6.3文文文文文文文文文文文 SFCS 文文文
6.6.5 文文文文文文文文 NG 文文文
文文 901-N14-01 文文文文文文文文 901-N14-03 文文文文文文
check list文
5.12 文文文文文文文文文 for NQJ&NQX

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文

The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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█文文文文 Alteration of Document
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Subject: SMT 文文文文文文
Doc. No.: 901-N14
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SMT Stencil Operation Standard
PAGE 5 OF 32

Revision History
Rev.
Status

Revision Date

Revised By

Description

22

2016/04/26

文文文 Abner

Liao

1.

23

2016/07/14

文文文 Abner
Liao

文文
1. 6.9.5.2 文文文文文
文文文文 10 文文,文文 SFCS 文文文文 90000 文文文文文文文
WTQ 文文文
Stencil life: 100 thousand times and deliver alarm
message when used 90 thousand by SFCS. (Only
for WTQ )
2. 6.8.1.2 文文文文文文文文≧25N/cm文文文文文文文文文文文文文
<25N/cm文文文文< 20N/cm(文 WTQ 文文);
The point#5 tension must ≧25N/cm. One of other
point tension <25N/cm and can’t < 20N/cm that is
acceptable.(Only for WTQ);
3. 6.8.1.4文NQJ/NQX 文文文文文文文 9 文文文文文 SFCS 文文文
文文 85000 文文文文文文文NQJ/NQX 文文文Squeegee life:
90 thousand times and deliver alarm message when
used 80 thousand by SFCS.
6.1.8.5 文WTQ 文文文文文文文 9 文文文文文 SFCS 文文文文文
80000 文文文文文文
文WTQ 文文文Squeegee life: 90 thousand times and

deliver alarm message when used 80 thousand by
SFCS.
4. 6.10.4.2 文文文文文文文文≧25N/cm文文文文文文文文文文文文文
<25N/cm文文文文< 20N/cm(文 WTQ 文文);
The point#5 tension must ≧25N/cm. One of other
point tension <25N/cm and can’t < 20N/cm that is
acceptable. (Only for WTQ);
5. 文文文文文文文文 5.0 文文文文文文文文文“文文文文文文文文”文文文文文
6.0 文文文文(6.1~6.7)文文文文文文文文文文

文文 6.1 & 6.5.4 文文文文文文文文
6.1.1 文文文文文≧25N/cm, 文文文<25N/cm 文文 NG;
6.1.2 文文文文(文文<0.08mm)文文文文文文文文文文 SOP

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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PAGE 6 OF 32

Revision History
Rev.
Status

Revision Date

Revised By

24

2017/09/12

文文文 Weiqiang
Yang

25

2018/2/27

文文文 Irene Hsu

26

2018/4/11

文文文
Abner Liao

Description

1. 6.5.1 文文文文文文文文文文文文文文文文文
2. 6.9.5.1 文 文 文 SFCS 文 文 文 文 文 文 48000 文 文 文 文 文 文
SFCS 文文文文 45000 文文文文文文文文文文 48000 文文文文文
文
1. 6.5.2 文文 WNC 文文文文文文文文文文文文文
文文:
1.

6.6.1 文文文文文文 Cleaning Solvent Model
文文文文文文
Water base cleaner.

2.

6.9.5.2 文文 WTQ 文文文文文文文 5 文文文文文 SFCS 文文文文
45000 文文文文文
文 Only for WTQ 文 50 thousand times and deliver
alarm message when used 45 thousand by SFCS.

27

2018/8/9

文文
Fenix Tang

28

2019/4/25

文文文
Max Lin

29

2019/8/15

文文文
Rebel Ding

文文文6.11.3 文文文文文文文文文文文文 2 文文文文文文文文文文文文文文文文
SFCS 文文文
1.
2.
3.

5.1文文文 Only for NQJ&NQX
6.3.3文文文文文文文文文 BU 文文
6.8.1.2 文 6.10.4.2文文文文文文 WTQ 文文文文文文文文文 8 文
文≧20N/cm2, 文文文文≧25N/cm2

文文文文文文
add Vietnamese translation

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006

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文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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目目 CONTENTS

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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1.0 文文 PURPOSE
文文文文文文文文文文文 SMT 文文文文文文文文文文文文文文文文文文文文文文
These procedures are established to document the operational procedures of SMT printing stencils to
ensure that the quality of stencils and products conform to requirements.

2.0 文文 SCOPE
文文文文文文文 SMT 文文文文文文文文文文文文文文文文文文
These procedures shall provide control over SMT personnel, raw materials and supplies, and
operational methods.

3.0 文文 DEFINITIONS
文文文文文 SMT 文文文文文文文文文文文文文文文
These procedures shall apply to the production and uses of all SMT stencils.

4.0 文文 RESPONSIBILITIES
SMT 文文文文文文文文文文文

SMT operations shall be implemented according to relevant documented processes and procedures.

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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5.0 文文文文 FLOWCHART
5.1 文文文文文文文 New Open Stencil Check and Accept Follow

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


Document Content
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□文文文文 Revocation of Document
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文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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6.0 文文文文 ACTIVITIES DESCRIPTION
6.1 文文文文 Production of Stencils
文文 Method

6.1.1

文文文文文文文文文文文文文文文文文

Stencils for solder printing shall be cut with laser and etched with chemicals.
文文文文文文 Choices of Stencil Thickness

6.1.2

0.5mm pitch BGA/Connector 文文 0.1mm 文文文文文文文文文文 0.12mm文文文文文文文文文文文文文文文文文
0.5mm pitch BGA/Connector use 0.1mm stencil thickness, others use 0.12mm, if special
specifications are decided by engineer.
文文文文文文 Stencil Frame Dimensions

6.1.3
a.

文 600mm文文 550mm文文 30mm±1.0mm.
L600mm x W550mm x H30mm ±1.0mm.

b.

文 736mm文文 736mm文文 30mm±1.0mm.
L736mm x W736mm x H30mm ±1.0mm.
文文文文文文 New Stencil Tensions

6.1.4

文文文文≥0.12mm文文文文文>45N/cm.
Stencil thickness≥0.12mm, stencil tension>45N/cm.

b.

文文文文<0.12mm文文文文文>40N/cm.

Stencil thickness<0.12mm, stencil tension>40N/cm.

6.1.5

a.

文文文文文文 Types of Openings on Stencils
文文 WNC Stencil DFM 文文.
According to WNC Stencil DFM.
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文

The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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6.1.6

文文文 Fiducial Mark
文文文文文文文文文文.

Half-sculptured or full-penetrated on the back.

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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6.2 文文文文文文 Conditions of Stencil Use
6.2.1

文文文文 Selection of Squeegee
文文文
Steel squeegee.

6.2.2

文文文文 Squeegee Angle
文文文文 45°~75°.
Range 45°-75°

6.2.3

文文文文 Squeegee Pressure
文文文文 2.8kg~10kg.
Range 2.8kg-10kg

6.2.4

文文文文 Squeegee Speed
文文文文 10mm/sec~80mm/sec 文 IC 文文文文文文文文文文文文文
Standard 10mm/sec-80mm/sec. Individual SOPs shall be established according to the IC
intervals appropriate to product characteristics.

6.3 文文文文文文 Stencil Numbering Principle
6.3.1

文文文文文文 Marking of Stencil Numbering
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文(文文文文文文).
Engineers shall assign a number to every new stencil on receipt. When installing stencils to the
printer, the arrow on the stencil shall point to the printer.

6.3.2

文WTQ文文文文文文文文文文文 WTQ Stencil Numbering Principle
YY MM DD AA M S - KKK X
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文

The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


Document Content
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PAGE 15 OF 32

目目 Code

目目 Description

YY

文文文文文文文文文文文文文文文文
The year of manufacture or modified display the two end of yards.

MM

文文文文文文文文文
The month of manufacture or modified

DD

文文文文文文文文文

The date of manufacture or modified

AA

文文文文文文文文文文文文文
The sequence code of manufacture or modified

S

KKK

X

文文文文文文文文
Machine code
文文文文
The storage locate of stencil
文文文文文文 (A 文文 1 文文B 文文 2 文….)
The number of same stencil (A indicate 1ST , B indicate 2nd ….)

文文文文文文文文 2S Label 文文文文文文文文文文文文文文文文文文文文文文文文文
The coding of above write in 2S Label for SFCS, The working instruction just display the
storage locate of stencil .

文 2 文文文文文文文文文文文文文文文文文文文文文文文文 1 文文文
The 1ST stencil put in the main storage locate , the other put to alternate storage area
6.3.3

文NQJ/NQX文文文文文文文文文文文 NQJ/NQX Stencil Numbering Principle
01, 02, 03, 04, 05, ……

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文

The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


Document Content
□文文文文 Addition of Document
█文文文文 Alteration of Document
□文文文文 Revocation of Document
Subject: SMT 文文文文文文
Doc. No.: 901-N14
REV: 29
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PAGE 16 OF 32

文文文文文文文文 Pb free 文文 01.02.03.04.05…..文文文文文
Lead-free process code: Pb Free “01.02.03.04.05…..” is the sequential number.

文文文文文文文文
The stencil numbering as bellowing:
NW 06 L800 48.MA301.00A TOP T=0.1mm 2011/3/22 文文
1

2

3

4

5

6

7

8

目目 Code

目目 Description

1

文文文文文文文文 BU 文文文NQJ/NQX BU文NW文文文文文文NH文文文文文文NB文
文文文文文AIS文文文文文文文文
The BU type of the produced model (NQJ/NQX BU: NW: Net
Working, NH: Digital Home, NB: Direct Broadcasting System, AIS:
Automotive & Industrial Solutions BG)

2

文文文文文01.02.03.04.05….
Stencil numbering: 01.02.03.04.05….

3

文文文文文文文文 BOM 文文文文
The product model: following the BOM

4

PCB 文文文文 BOM 文文文文
PCB P/N: following the BOM

5

PCB 文文文(BOT/TOP)
PCB side description (BOT/TOP)

6

文文文文文文文文文文
The thickness of the stencil

7

文/文/文文文文文文文文
YY/MM/DD, the produced date of stencil
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文

The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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□文文文文 Addition of Document
█文文文文 Alteration of Document

□文文文文 Revocation of Document
Subject: SMT 文文文文文文
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SMT Stencil Operation Standard
PAGE 17 OF 32

目目 Code
8

目目 Description
文文文文文文
The vendor of stencil

6.4 文文文文文文文文 The Notice of Stencils
6.4.1

文文文文文文文文文文文 SFCS 文文文文 2S label文
Personnel shall input the 2S label into SFCS system when claiming and returning stencils.

6.4.2

文WTQ 文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文/文文文文文文文
文文文
文For WTQ文Stencils shall be cleaned thoroughly by rubbing after use. Shift supervisors shall
complete the Stencil Use Record after validation and store stencils back in their shelves
identifiable for stencils used in Lead and Lead-free processes.

6.4.3

文NQJ & NQX 文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
文文文文文文文文文文文
文For NQJ & NQX文Stencils shall be cleaned thoroughly by rubbing after use then the operator
shall complete the Stencil Use Record after validation and put the stencils in the area for
cleaning; the technician of stencil cleaning station store stencils back in their shelves
identifiable after clean and inspect the stencils.

6.4.4

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文 SOP 文文文
Do not hit stencils while handling to prevent damaging of stencils. Take the method according
to SOP

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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█文文文文 Alteration of Document
□文文文文 Revocation of Document
Subject: SMT 文文文文文文
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PAGE 18 OF 32

6.5 文文文文 Stencils Scrap

6.5.1

文NQJ/NQX 文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文 KM 文文(文文文文文文文文,文文
文文文文文文文)
文For NQJ/NQX文Stencils which will not be used in the future or of products that have been
discontinued shall be placed in the stencil scrap area. These stencils shall be recorded in the Off
Line Stencil Control Table. (recorded the reason, Paste the format as below);

6.5.2

文WTQ 文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
文For WTQ文Stencils which will not be used in the future or of products that have been
discontinued shall be placed in the stencil scrap area. These stencils shall be paste the scrap
label as below.

6.5.3

文文文文文文文文文文文 SMT 文文文 PM 文 PMC 文文文文文文文文文文文文文
Stencil production not more than six months, the SMT Engineering and PM and PMC sure no
problem to be discarded.

6.5.4

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文SMT 文文文文文文文文文文文文文文文文文文
KM 文(NQJ &NQX 文文文文文文文文)文文文文文文文文文文文文文文文文
Replacement or re-stretching of stencils of unqualified tension or with appearance
nonconformities shall be determined by engineers. SMT engineers shall complete the Off Line
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文

The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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Subject: SMT 文文文文文文
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SMT Stencil Operation Standard
PAGE 19 OF 32

Stencil Control Table for stencils to be scrapped and shall attach the Scrap label to respective
stencils for central management. (NQJ &NQX recorded the reason);

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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█文文文文 Alteration of Document
□文文文文 Revocation of Document
Subject: SMT 文文文文文文
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SMT Stencil Operation Standard
PAGE 20 OF 32

6.5.5

文文文文文文文文文文文文文文文文文文文文
Scrapped stencils shall not be disposed of without prior permission and shall be by the
management unit deal with it.

6.6 文文文文 Cleaning of Stencils
6.6.1

文文文文文文 Cleaning Solvent Model
文文文文文文
Water base cleaner.

6.6.2

文文文文 Cleaning Method
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文 5 文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
文文文文文文文文文NQJ &NQX 文文文文文文文文文文文文文文文文文
After cleaning stencils with the cleaning solvent, put stencils in the cleaning machine to wash
for at least 5 minutes. Remove residue with compressed air. Rub stencils around with paper.
(NQJ &NQX rub stencils around with dusty-free cloth)

6.6.3

文文文文文文 Notes for Cleaning

6.6.3.1

文文文文文文文文文文文文文文文文文.
Clean stencils properly before use.

6.6.3.2

文文文文文文文文文文文文文文文文文文文文文文文文文文文文.
Remove solder paste residue and clean stencils according to the above method after the
line is closed.

6.6.3.3

文文文文文文文文 30 文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
Store the solder paste residue on the stencil with seal pot and clean the stencils according
to the above method when line shut down over 30 minutes.

6.7 文文文文/文文文文 Stencil New Build/ Modify Inform
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


Document Content
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█文文文文 Alteration of Document
□文文文文 Revocation of Document
Subject: SMT 文文文文文文
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SMT Stencil Operation Standard
PAGE 21 OF 32

6.7.1

WTQ

6.7.1.1

文 PCC 文文文文文文 Gerber文文文文文文文文文文文 PE 文文文文文文文文文
The Gerber after designed Gerber from vender need be approved by PE

6.7.1.2

文文文文文文文文文文文文文文文文文文文文文PE 文文文文文文/文文文文文文文文文文文
PE need to notice the stencil vender by Stencil make/ modify inform when re-designed
stencil

6.7.2

NQJ & NQX

6.7.2.1

文 PE 文文文文文文 Gerber文文文文文文文文文文文 PE 文文文文文文文文文
The Gerber after designed Gerber from vender need be approved by PE

6.7.2.2

文文文文文文文文文文文文文文文文文文文文文PE 文文 NQJ & NQX 文文文文/文文文文文文文文文文文

PE need to notice the stencil vender by NQJ & NQX Stencil make / modify inform when
re-designed stencil

6.8 文文文文文文 Stencil Tension Measurement
6.8.1

文文文文文 Requirement of Stencil Tension

6.8.1.1

文NQJ/NQX 文文文文文文文文≧25N/cm文文文文<25N/cm 文文 NG文
文Only for NQJ/ NQX文The tension should ≧25N/cm; Unqualified with tension of anyone
point<25N/cm;

6.8.1.2

文文 WTQ 文文文文文文文文文 8 文文≧20N/cm2, 文文文文≧25N/cm2
文Only for WTQ文The point#5 tension must be more than 25N/cm2, and other 8 points
must be more than 20N/cm2.

6.8.1.3

文文文文(文文<0.08mm)文文文文文文文文文文 SOP
The special stencil (Thickness<0.08mm)文The tension specification define in SOP of
model.
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文

The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006

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Subject: SMT 文文文文文文
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SMT Stencil Operation Standard
PAGE 22 OF 32

6.8.1.4

文NQJ/NQX 文文文文文文文 9 文文文文文 SFCS 文文文文文 85000 文文文文文文
文NQJ/NQX 文文文Squeegee life: 90 thousand times and deliver alarm message when used
80 thousand by SFCS.

6.8.1.5

文WTQ 文文文文文文文 9 文文文文文 SFCS 文文文文文 80000 文文文文文文
文WTQ 文文文Squeegee life: 90 thousand times and deliver alarm message when used
80 thousand by SFCS.

6.8.2

文文文文 Measuring Device
文文文文文
Tension meter

6.8.3

文文文文 Measuring Methods
文文文文(文文文)文文文文文文文文(0 N/cm)文文文文文文文文文文文文文文(PCB 文文文)文文文文文文文文文文 6.6.3文文文文文文
文文文文文文文文文文文文文文文文文文文文文文文文文文文
After resetting tension meter (0 N/cm) with a tester (sheet glass), put the tension meter on the
back of stencil (PCB contact surface) and a 9-grid frame on top. (Arrange the order like the
6.6.3) Measure tension from every grid, a total of 9 points. Reset meter after measuring 3
points.

6.9 文文文文文文文 Stencil and Squeegee Management
6.9.1

文文文文 Stencils Clean

6.9.1.1

文WTQ文文 12 文文文文文文文文 1 文文
文WTQ文Stencils shall be cleaned every 12 hours.

6.9.1.2

文NQJ/NQX文文 12 文文文文文文文文 1 文文文文文文文文文文 SOP 文文文
文NQJ/NQX文Stencils shall be cleaned every 6 hours. Operate following the model SOP for
special models

6.9.2

文文文文文文 Stencil Cleaning Record
文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文

The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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PAGE 23 OF 32

6.9.2.1

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文 Check List 文.
Tension of stencils shall be measured every time before and after use. Results of
measurement shall be recorded in the Stencil Cleaning Record Checklist.

6.9.2.2

文文文文文文文文文文文文文文文文文文文文文文文文 SMT 文文文文文文文文文文文文文文文文文文文文文.
Applications for replacement or re-stretching of unqualified stencils shall be made. SMT
engineers shall attach the Scrap label to stencils to be scrapped for central management.

6.9.3

文文文文 Squeegee Clean

6.9.3.1

文WTQ文文 12 文文文文文文文文文文文文文 1 文
文WTQ文Squeegee shall be cleaned every 12 hours or offline.

6.9.3.2

文NQJ/NQX文文 12 文文文文文文文文文文文文文 1 文
文NQJ/NQX文Squeegee shall be cleaned every 12 hours or offline.

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


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█文文文文 Alteration of Document
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SMT Stencil Operation Standard
PAGE 24 OF 32

6.9.4

文文文文 Stencil Modification

6.9.4.1

文WTQ 文文文文文文文文文文文文文文文文文文文 KM 文
文For WTQ文The engineer must record the stencil modification in KM.

6.9.4.2

文NQJ &NQX 文文文文文文文文文文文文文文文文文文文文文文文文文文901-N14-09 NQJ & NQX 文文文文/文文文
文文文
文For NQJ &NQX文The engineer must record the stencil modification in the sheet “901N14-09 NQJ & NQX Stencil Make/ Modify Inform”.

6.9.5

文文文文 Stencil Life

6.9.5.1

文文 NQJ/NQX 文文文文文文文 5 文文文文文 SFCS 文文文文 45000 文文文文文文文文文文 48000 文文文文文文
文Only for NQJ/NQX文50 thousand times and deliver alarm message when used 45
thousand by SFCS文More than 48 thousand cannot be launched.

6.9.5.2

文文 WTQ 文文文文文文文 5 文文文文文 SFCS 文文文文 45000 文文文文文
文Only for WTQ文50 thousand times and deliver alarm message when used 45 thousand by
SFCS.

6.10 文文文文文文文文文文文文 Stencil Tension Test SOP

6.10.1 文文文文文文文文文文文文文文“文文文文文文文”文文文文文文文文文文文文文文文
Put a clean stencil on the designated Stencil Tension Testing Area to test the no-printing side of
stencil as shown below.

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006


Document Content
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█文文文文 Alteration of Document
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Subject: SMT 文文文文文文
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SMT Stencil Operation Standard
PAGE 25 OF 32

6.10.2 “文文”文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文(0 N/cm)文文文.
Reset tension meter by putting the meter on a sheet glass tester, turn the dial on the meter to the
marking 0 N/cm.
文WTQ文文文文文文文文文
Reset the tension meter using in WTQ:

文文文
Before
Resetting

文文文
After
Resetting

文NQJ & NQX文文文文文文文文:
Reset the tension meter using in NQJ & NQX:

文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文文
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.

Form No.: 2-JQ-021-04, 006