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PCB内层线路PFMEA分析范例

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2024年4月3日发(作者:禹金鑫)

Potential Failure Mode and Effect Analysis

过程潜在失效模式及后果分析

(PFMEA)

项目Item:

类型Type:

双面板/多层板double-side/multi-

layers PCB

PCB

FMEA编号FMEA No.:

关键日期Key Date:

修订日期

Modify Date:

2019/7/1

FMEA-D/F(I)-02

编制日期Pepare date:

2015-07-07

版本Version:B2

工厂批准plant approval :

编制

Prepare by:

审批

Approval by:

内层线路

过程责任

inner layer roller coating and

Responsibility:

核心小组core team:

1.如果客户有指定产品及过程特性符号,按客户要求标识;2.客户没有指定,则按如公司规定标识。产品特性符号表示: “◆”,过程特性符号表示:“▲”。classification symbol description : symbol per

customer's specific symbol; no specific symbol from customer,mark symbol as below:“◆” for product special characteristic ,and “▲” for process spec

过程

功能process

function

要求

requirement

潜在失

效模式

potential

failure

mode

潜在失

效后果

potential

failure

effect

级别

classi

ficati

S

on

潜在失效

起因/机理potential

failure

cause/mechanism

现行过程

控制预防current process

度O

control method

现行过程

控制探测current

process detection

R

P

N

措施结果action result

责任及目

标完成日

建议

采取的措施action

措施advice actionSOD

responsib

adopted

ility &

探测

度D

R

P

N

板边毛刺披锋刮伤

涂布轮 burrs on

edge scratch the

coating rollers

不上油

not ink

coating

缺口/开路

nick/open

5

微蚀不足

做板前检查来料板边品质

2情况inspect the

incoming boards

水破控制在≥15S

control water

breaking time is ≥

15S

粘尘纸更换,每100PNL更

换1次

目视检查visual

inspection

每班做一次水破测

试water breaking

testing once per

shift

设备自动检测做板

块数并报警

770无none

2550无none

粘尘效果差3575无none

掉板board板面擦花

droppingscratch

5

夹子松动clamp is

loose

每周检查夹子有无脱落,

2松动check the clamp目视确认夹子松动

weekly

清洗和保养涂布轮后必须

进行零位调校calibrate

目视确认涂布轮对

2coating roller to

zero after clean and

maintaining

每4H检测油墨粘度

measure the ink

viscosity every 4

hours

秒表测量粘度

viscosity

measured with

watchstop

770无none

蚀刻残铜,

板边聚油缺口

inkcopper

gatheringremained

on boardafter

edgeetching

,nick

涂布:在一定温度

压力下将湿膜贴附

在经清洁粗化后的

板面上roller

coating:coat

涂布轮未做零位调

校coating rollers

isn't calibrated

to zero

5

油墨粘度高ink

viscosity is too

high

770无none

2550无none

1/6

过程

潜在失

功能process

效模式

function

potential

要求failure

涂布:在一定温度

mode

requirement

压力下将湿膜贴附

在经清洁粗化后的

板面上roller

coating:coat

ink onto the油墨结合

蚀刻后开

clean and rough力差poor

路open

board surfacecombinati

after

in theon of

etching

condition ofink

controled

temperature and

pressure

潜在失

效后果

potential

failure

effect

级别

classi

ficati

S

on

潜在失效

起因/机理potential

failure

cause/mechanism

现行过程

控制预防current process

度O

control method

现行过程

控制探测current

process detection

探测

度D

R

P

N

措施结果action result

责任及目

标完成日

建议

采取的措施action

措施advice actionSOD

responsib

adopted

ility &

R

P

N

微蚀不足2

水破控制在≥15S

control water

breaking time is ≥

15S

见操作指示:JOVE-ISO-

WI-ME-016参数要求

refer to the

parameter required in

WI :JOVE-ISO-WI-ME-

016

每班做一次水破测

试water breaking

testing once per

shift

550无none

5

烤板不充分

unadequate baking

2

设备对温度超标有

自动检测并报警功

550无none

粘度不合格

unqualified

viscosity

2

按粘度为100±20S调油 每4H测量一次

ink mixing accordingmeasure the

to the viscosity ofviscosity every 4

100±20Shours

550无none

参数没调整

parameter is not

adjusted

厚度不够/

不均蚀刻后开

unadequat路、缺口

e inkopen/nick

thicknessafter

/unevenetching

coating

厚度不同的板选用不同的所有板生产前必须

板厚参数生产different做首板确认verify

2parameters are usedwith first

to differentarticle prior to

thickness boardproduction

调整刮刀水平,更换破损

刮刀adjust scraper

2

,replace the abrasive

one

550无none

5

刮刀不平、磨损

scraper is uneven

or abrasive

目视检查visual

inspection

770无none

涂布轮未做零位调

校coating rollers

isn't calibrated

to zero

涂布轮磨损coating

rollers is

abrasive

清洗和保养涂轮后必须进

行零位调校calibrate

目视确认涂布轮对

2the coating roller to

zero after clean and

maintaining

每做板30万FT2对涂布轮

进行检查和包胶处理

770无none

2设备自带计数功能550无none

2/6

2024年4月3日发(作者:禹金鑫)

Potential Failure Mode and Effect Analysis

过程潜在失效模式及后果分析

(PFMEA)

项目Item:

类型Type:

双面板/多层板double-side/multi-

layers PCB

PCB

FMEA编号FMEA No.:

关键日期Key Date:

修订日期

Modify Date:

2019/7/1

FMEA-D/F(I)-02

编制日期Pepare date:

2015-07-07

版本Version:B2

工厂批准plant approval :

编制

Prepare by:

审批

Approval by:

内层线路

过程责任

inner layer roller coating and

Responsibility:

核心小组core team:

1.如果客户有指定产品及过程特性符号,按客户要求标识;2.客户没有指定,则按如公司规定标识。产品特性符号表示: “◆”,过程特性符号表示:“▲”。classification symbol description : symbol per

customer's specific symbol; no specific symbol from customer,mark symbol as below:“◆” for product special characteristic ,and “▲” for process spec

过程

功能process

function

要求

requirement

潜在失

效模式

potential

failure

mode

潜在失

效后果

potential

failure

effect

级别

classi

ficati

S

on

潜在失效

起因/机理potential

failure

cause/mechanism

现行过程

控制预防current process

度O

control method

现行过程

控制探测current

process detection

R

P

N

措施结果action result

责任及目

标完成日

建议

采取的措施action

措施advice actionSOD

responsib

adopted

ility &

探测

度D

R

P

N

板边毛刺披锋刮伤

涂布轮 burrs on

edge scratch the

coating rollers

不上油

not ink

coating

缺口/开路

nick/open

5

微蚀不足

做板前检查来料板边品质

2情况inspect the

incoming boards

水破控制在≥15S

control water

breaking time is ≥

15S

粘尘纸更换,每100PNL更

换1次

目视检查visual

inspection

每班做一次水破测

试water breaking

testing once per

shift

设备自动检测做板

块数并报警

770无none

2550无none

粘尘效果差3575无none

掉板board板面擦花

droppingscratch

5

夹子松动clamp is

loose

每周检查夹子有无脱落,

2松动check the clamp目视确认夹子松动

weekly

清洗和保养涂布轮后必须

进行零位调校calibrate

目视确认涂布轮对

2coating roller to

zero after clean and

maintaining

每4H检测油墨粘度

measure the ink

viscosity every 4

hours

秒表测量粘度

viscosity

measured with

watchstop

770无none

蚀刻残铜,

板边聚油缺口

inkcopper

gatheringremained

on boardafter

edgeetching

,nick

涂布:在一定温度

压力下将湿膜贴附

在经清洁粗化后的

板面上roller

coating:coat

涂布轮未做零位调

校coating rollers

isn't calibrated

to zero

5

油墨粘度高ink

viscosity is too

high

770无none

2550无none

1/6

过程

潜在失

功能process

效模式

function

potential

要求failure

涂布:在一定温度

mode

requirement

压力下将湿膜贴附

在经清洁粗化后的

板面上roller

coating:coat

ink onto the油墨结合

蚀刻后开

clean and rough力差poor

路open

board surfacecombinati

after

in theon of

etching

condition ofink

controled

temperature and

pressure

潜在失

效后果

potential

failure

effect

级别

classi

ficati

S

on

潜在失效

起因/机理potential

failure

cause/mechanism

现行过程

控制预防current process

度O

control method

现行过程

控制探测current

process detection

探测

度D

R

P

N

措施结果action result

责任及目

标完成日

建议

采取的措施action

措施advice actionSOD

responsib

adopted

ility &

R

P

N

微蚀不足2

水破控制在≥15S

control water

breaking time is ≥

15S

见操作指示:JOVE-ISO-

WI-ME-016参数要求

refer to the

parameter required in

WI :JOVE-ISO-WI-ME-

016

每班做一次水破测

试water breaking

testing once per

shift

550无none

5

烤板不充分

unadequate baking

2

设备对温度超标有

自动检测并报警功

550无none

粘度不合格

unqualified

viscosity

2

按粘度为100±20S调油 每4H测量一次

ink mixing accordingmeasure the

to the viscosity ofviscosity every 4

100±20Shours

550无none

参数没调整

parameter is not

adjusted

厚度不够/

不均蚀刻后开

unadequat路、缺口

e inkopen/nick

thicknessafter

/unevenetching

coating

厚度不同的板选用不同的所有板生产前必须

板厚参数生产different做首板确认verify

2parameters are usedwith first

to differentarticle prior to

thickness boardproduction

调整刮刀水平,更换破损

刮刀adjust scraper

2

,replace the abrasive

one

550无none

5

刮刀不平、磨损

scraper is uneven

or abrasive

目视检查visual

inspection

770无none

涂布轮未做零位调

校coating rollers

isn't calibrated

to zero

涂布轮磨损coating

rollers is

abrasive

清洗和保养涂轮后必须进

行零位调校calibrate

目视确认涂布轮对

2the coating roller to

zero after clean and

maintaining

每做板30万FT2对涂布轮

进行检查和包胶处理

770无none

2设备自带计数功能550无none

2/6

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