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
齐
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
频
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
频
度O
严
重
度
S
责任及目
标完成日
期
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
scraperN
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
频
度O
严
重
度
S
责任及目
标完成日
期
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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