pcb工程问题中英互译

1、线路和铜皮距外形很近，锣板后或V-CUT后会露铜The circuits and copper planes are very close to outline and V-cut. If follow Gerber, the circuits will be damaged and copper will be exposed after profiling 建议：将线路适当向单元内移动、削减铜皮，确保它们离外形*mmSuggestion: Move the circuit and shave the copper properly to keep them(*mm) away from o

2、utline.GERBER异常：xx面发现一些无终止PAD的线，请回复如何制作？We find some circuits without terminated pads on XX side隔离线宽度太小，易造成内层短路In Gerber data the separated line width is 8mils in layer 3. It is so narrow that shorten maybe happened. 建议:将第3层8mil的隔离线宽加大到15milSuggestion: For safety we will shave copper to get 15mils c

3、learances between two copper planes to avoid shorten happened.方便产线操作,要求取消内层线路独立PADPlease confirm we can remove the isolated pads in inner layers.建议：将PTH孔的PAD加比孔单边大0.2mmr For better continuity between via pads and holes, we would like to add teardrops to via holes.光点脱落In order to protect the fiducial

4、 marks in isolated areas from peeling off建议:给独立的Fiducial Mark加保护环Suggestion: we would like to add protective rings to them. Details see the following:孔的属性未指定The attributions of holes were not specified.孔径公差未指定Since the tolerances of hole were not specified. 建议:PTH孔按+/-0.08mm ,NPTH按+/-0.05mmSuggestio

5、n: We will build them as follows:PTH: +/-0.08mm NPTH:+/-0.05mm. Slot length: +/-0.10mmPTH钻在铜皮上，孔边将会露铜Some Non-plated holes drill on the copper planes on xx layer. Copper will be exposed around the holes.建议：将在外层线路掏8mils的clearance，内层线路掏10mils的clearanceSuggestion: Shave copper to get 10mils metal clear

6、ance in inner layers and 8mils clearance in out layers. 孔径（外形）公差做不到It is difficult to meet the tolerance of hole to edge(hole to hole; edge to edge)in drawing. 要求将孔径公差放宽至+/-XXXFor better control in production, we would like to change the tolerance of hole size from +/-xx to +/-xx.建议将外形公差放宽至+/-XXFor

7、better control in production, we would like to change the tolerance of profile from +/-xx to +/-xxVIA孔孔径太大,无法塞孔The size of via hole is so large as to plug them difficulty in production. 建议：VIA孔孔径按+0/-1mm控制，做塞孔Suggestion: Control them per xx+0/-0.1mm. 线路/绿油/字符层上发现2个不同的P/N。There are two different P/N

8、on circuit(silkscreen) layer. One is xx, another is xx.绿油上的字符与线路上的字符重叠Some characters on circuit layer have been overlapped with those on solder mask layer.建议:A)按GERBER做 B)取消绿油上的字符.Suggestion: Please choose A) or B):A)Follow Gerber.B)Move the characters on solder mask layer to separate them.XX面有绿油开窗

9、但无孔或PAD对应There is one dia:xxmm solder mask opening on xx side, but no hole and circuit pad at the location.建议：按gerber做板Suggestion: Follow Gerber绿油入孔：XX孔在XX面无开窗Per customer Gerber, some dia:xxmm via holes havent solder mask openings on xx side(both sides.)建议：A）按GERBER做允许绿油入孔但不塞孔 B）不允许绿油入孔，加与孔等大的绿油开窗S

10、uggestion: Fabricate these holes as solder mask in holes but not plug holes.绿油桥太小做不到（我司要求最小绿油桥为0。08mm,GERBER的绿油桥为*mm）Some spacings are so small that the solder mask dams will be easily peeled off during W/F process.一些Fiducial Mark没有开窗Some fiducial marks missed the solder mask openings on bottom side

11、.建议:按同类PAD开窗的尺寸给没开窗的PAD加开窗Suggestion: Add openings to them and the size will be the same as those on top side部份VIA孔单面开窗，部份双面未开窗For via holes(dia:xx), some of them have solder mask openings on top side and no openings on bottom side, others have no solder mask openings on both sides.建议：单面开窗的VIA孔接受绿油入

12、孔但不允许绿油塞孔，双面没开窗的VIA孔做绿油塞孔Suggestion: For those having solder mask openings on one side, solder mask will in holes but not plug holes. For those which have no solder mask openings on both sides, solder mask will plug holes.请确认绿油（字符）油墨颜色Please confirm the color 建议：(因*颜色很少用，采购时间较长影响交期),建议改用绿色（白色）Sugges

13、tion: solder mask is green.字符（大面积白油）上PAD,入孔Some characters will be printed on solder pads or in holes.建议：字符和孔有位置移动的则移动，没位置移的用绿油单边加大0.1mm套掉，大面积白油用绿油单边加大0.1mm套掉。Suggestion: Clip them with solder mask layers unless there is enough spacing to move them.请确认本厂Logo，ul logo和Date Code的内容及位置Please confirm the

14、 locations of our company logo, UL logo and date code.更改UL、周期的位置（指定位置无足够空间）There are no enough areas to add our company logo, UL logo and date code. 建议：按我们选的位置添加，请确认。Suggestion: We will add them on silkscreen/solder mask layer of xx side. Please confirm!图纸中标注的尺寸与GERBER实测值不符Some dimensions dont match

15、 with those measured from Gerber.机械图版本号与GERBER版本号不同We find two different revision Nos on xx layer.钻带中的孔径大小与钻孔表（机械图）中的孔径不符。The sizes in drill file are different from those in drill chart.建议：按钻带，按分孔图，按机械图Suggestion: Please choose A) or B):A)Follow drill file.B)Follow drill chart.钻带中有2个孔与分孔图(机械图)中的标示的位

16、置不一致。The locations of two holes in drill file 无合适的锣板定位孔There are proper tooling holes for our routing process.建议A)增加3个NPTH孔做管位B）用PTH孔做定位孔,允许孔内的铜磨损Suggestion: Please choose A) or B):A)Add three Non-plated holes on board and make 8mils metal clearance in every circuit layers. Detail locations please s

17、ee xxx.B)Use PTH for tooling holes and accept slight scratches inside holes.一些文件不明有何用,建议忽略We dont know how to use the files shown in page x .Suggestion: Ignore them.发现两种不同的板厚要求，2种铜厚要求（制作要求为*um,层压结构要求为*um）We find two different requirements of the board thickness. One is xx and another is xx.建议：按*板厚做板

18、，按层压结铜厚*um做板Suggestion: Follow xx to build this board.为与其它相似的板区分，加防错标记。breakaway(beside our company logo)We would like to etch our internal No. on to distinguish from other similar boards in translate or packaging.建议：在SET边加上V-CUT测试PAD。We would add v-cut check patterns on breakaway to avoid v-cut mis

19、sing in production.为了更好的平衡电流及减小板曲，我们将在SET边上加铜皮。For better balancing the current during plating and reduce board bow and twist , we would like to add dummy pads on breakaway.铜皮面积太大，(网格太小)The area of copper ground is so large that the solder mask will be easily peeled off during W/F process. 建议：改为11X1

20、1MIL的网格Suggestion: Change the copper ground to grid of 11milsX11mils. Please confirm! Detail see pagexThe circuits and copper planes are very close to outline and V-cut. If follow Gerber, the circuits will be damaged and copper will be exposed after profiling Suggestion: Move the circuit and shave t

21、he copper properly to keep them(*mm) away from outline.In Gerber data the separated line width is 8mils in layer 3. It is so narrow that shorten maybe happened. Suggestion: For safety we will shave copper to get 15mils clearances between two copper planes to avoid shorten happened.For better continu

22、ity between via pads and holes, we would like to add teardrops to via holes.Suggestion: we would like to add protective rings to them. Details see the following:Suggestion: We will build them as follows:PTH: +/-0.08mm NPTH:+/-0.05mm. Slot length: +/-0.10mmSome Non-plated holes drill on the copper pl

23、anes on xx layer. Copper will be exposed around the holes.Suggestion: Shave copper to get 10mils metal clearance in inner layers and 8mils clearance in out layers. It is difficult to meet the tolerance of hole to edge(hole to hole; edge to edge)in drawing. For better control in production, we would

24、like to change the tolerance of hole size from +/-xx to +/-xx.For better control in production, we would like to change the tolerance of profile from +/-xx to +/-xxThere are two different P/N on circuit(silkscreen) layer. One is xx, another is xx.Some characters on circuit layer have been overlapped

25、 with those on solder mask layer.There is one dia:xxmm solder mask opening on xx side, but no hole and circuit pad at the location.Per customer Gerber, some dia:xxmm via holes havent solder mask openings on xx side(both sides.)建议：A）按GERBER做允许绿油入孔但不塞孔 B）不允许绿油入孔，加与孔等大的绿油开窗Some spacings are so small th

26、at the solder mask dams will be easily peeled off during W/F process.Suggestion: Add openings to them and the size will be the same as those on top sideFor via holes(dia:xx), some of them have solder mask openings on top side and no openings on bottom side, others have no solder mask openings on bot

27、h sides.Suggestion: For those having solder mask openings on one side, solder mask will in holes but not plug holes. For those which have no solder mask openings on both sides, solder mask will plug holes.建议：字符和孔有位置移动的则移动，没位置移的用绿油单边加大0.1mm套掉，大面积白油用绿油单边加大0.1mm套掉。Suggestion: Clip them with solder mask layers unless there is enough spacing to move them.Suggestion: We will add them on silkscreen/solder mask layer of xx side. Please confirm!A)Add three No