日本在线1区在线看成人A片|AV免费黄色小电影|久久AV资源站1级A片|欧美又爽又大又黄A片|久草AV综合亚洲视频成|国产99在线 | 亚洲 - 百度|国产美女在线观看永久免费的网站|一区二区三区不卡小视频|91久久精品无码一区二区毛片进|欧美一级成人片高清在线观看

PCB工藝 軟板傳輸線路設(shè)計中必須注意的事項

2020-05-19 12:01:49 281

整理了一些軟板(FPCB/Flex Cable)制造廠關(guān)于線路設(shè)計的要求 (Design Guide)以避免應(yīng)用上的質(zhì)量問題。

 

1.Relationship between Through Hole, Land, Cover Film, and Cover Coat

Not Recommended(不建議)

pcbapcba

通孔的焊墊必須用Cover film覆蓋住,以避免使用時剝落。

 

Recommended(建議)

pcbapcba

pcba

 

2. Circuit Pattern Guidance

Not Recommended(不建議)

Avoid sudden expansion or reduction in pattern width. No sharp angle.

pcbapcba

 

Recommended(建議)

避免在線路的寬度上突然的變大或是變小,而起不應(yīng)該有尖角出現(xiàn)。

pcbapcba

 

3. Design at Folding Area
Not Recommended(不建議)

If the FPC need to be folded then the folding area shall be covered with cover film to prevent trace breaking.

pcba

Avoid folding at below locations
a. The change of pattern width. b. Folding parallel to the pattern.

pcba

Recommended(建議)

如果軟板有彎折的需要時,建議Cover Film必須覆蓋過彎折處,以避免線路折斷。

pcba

避免以下的彎折及方法:
a.線路寬度改變的地方。b.并行線路彎折。

pcba

4. Plating Leads
Not Recommended(不建議)

Plating leads and disconnection holes should be designed as illustrated in order to avoid short circuits.

pcba

 Recommended(建議)

相鄰線路應(yīng)該盡可能用最大角度展開以避免短路。

pcba

5. Connector Terminal

pcbapcba

標(biāo)簽: pcba

微信公眾號