项目Item:FMEA-D/F(I)-02
编制
Prepare by:类型Type:
审批
Approval by:
过程责任
Responsibility:
采取的措施action
adopted S O D
R P N
板边毛刺披锋刮伤涂布轮 burrs on edge scratch the coating rollers
2做板前检查来料板边品质情况inspect the
incoming boards
目视检查visual inspection 770无none
微蚀不足
2水破控制在≥15S control water breaking time is ≥
15S 每班做一次水破测试water breaking testing once per
shift 550无none
粘尘效果差3粘尘纸更换,每100PNL更
换1次
设备自动检测做板
块数并报警
575无none
掉板board dropping 板面擦花scratch
5
夹子松动clamp is
loose
2每周检查夹子有无脱落,松动check the clamp weekly 目视确认夹子松动
770无none
涂布轮未做零位调校coating rollers isn't calibrated
to zero
2清洗和保养涂布轮后必须进行零位调校calibrate
coating roller to
zero after clean and
maintaining
目视确认涂布轮对
770无none
油墨粘度高ink viscosity is too
high
2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
550无none
版本Version:B2
Potential Failure Mode and Effect Analysis
过程潜在失效模式及后果分析
(PFMEA)
内层线路inner layer roller coating and 修订日期Modify Date:
2019/7/1
工厂批准plant approval :
双面板/多层板double-side/multi-layers PCB
FMEA编号FMEA No.:编制日期Pepare date:2015-07-07PCB
关键日期Key Date:过程
功能process function
要求        requirement
涂布:在一定温度压力下将湿膜贴附潜在失效模式potential failure mode
不上油not ink coating
缺口/开路nick/open
蚀刻残铜,
缺口copper remained after etching
,nick
板边聚油ink gathering on board edge 措施结果action result 潜在失效
起因/机理potential
failure
cause/mechanism
度O
严重度S 5
5
责任及目
标完成日
期responsib ility &
核心小组core team:
现行过程
控制预防current process control method
现行过程控制探测current process detection
探测度D
R P N
建议
措施advice action 级别classi ficati on
潜在失效后果potential failure effect
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 :1.mark symbol per customer's specific symbol;2.if no specific symbol from customer,mark symbol as below:“◆” for product special characteristic ,and “▲” for process spec
N
requirement
mode cause/mechanism
S ility &
on effect
涂布:在一定温度
压力下将湿膜贴附
N
requirement mode cause/mechanism
S ility &
on effect
N
requirement mode cause/mechanism
S ility &
on effect
采取的措施action
adopted S O D
R
P
N
过程
功能process function
要求        requirement
潜在失
效模式
potential
failure
mode
措施结果action result 潜在失效
起因/机理potential
failure
cause/mechanism
度O
S
责任及目
标完成日
responsib
ility &
现行过程
控制预防current process
control method
现行过程
控制探测current
process detection
探测
度D
R
P
N
建议
措施advice action
级别
classi
ficati
on
潜在失
效后果
potential
failure
effect
onto board through artwork
采取的措施action
adopted S O D
R
P
scraper
N
过程
功能process function
要求        requirement
潜在失
效模式
potential
failure
mode
措施结果action result 潜在失效
起因/机理potential
failure
cause/mechanism
度O
S
责任及目
标完成日
responsib
ility &
现行过程
控制预防current process
control method
现行过程
控制探测current
process detection
探测
度D
R
P
N
建议
措施advice action
级别
classi
ficati
on
潜在失
效后果
potential
failure
effect
光对湿膜进行感光
聚合exposure:polyme rize the ink under UV light

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