????
??  >  ????
pcb????????



pcb????????-乐橙lc8.com

????

??????0.010“?????

??????????

??0.010??(??),??0.015??(????0.020??)?????,??0.015??,????0.020???

???/???

????????????????+ 0.010“,??????????+ 0.014”? ??????(?????)????????0.005??,?????????0.007???

????

+/- 0.005“????(?????0.250????,????????,??????????) 
+/- 0.005“???? 
+/- 0.003“?????????1???2????????3???????(??2?????)?

?????????(?????),??advanced circuits????????????????? ??????????????

??:?????????????

??????????; 0.004“?????????????0.004??,??????????

???????:

?????????10%(??+/- 0.005“)

???????

?? ?? ???????
2? 0.020" 0.010"
4? 0.020" 0.015"
6? .031" 0.025"
8? 0.047" .031"
10? .062" 0.040"
pcb????

????????????

??(??????????)

????????????+/- 0.010“ 
(+/- 0.005“???????????)

??:??????????????????????????????

?????/??

????????????????????? ??????????????,??????

??:????/????0.007?????? 
(??????.004“1??cu,??(??)?0.5??cu??(??)?

1??? ?????(??),??????/???0.005“ 
2??? ?????(?????),??????/???0.006“ 
3??? ?????(?????),??????/???0.010“ 
?4??? ?????(?????),??????/???0.012“

??:???????????????????????,??1.5?2.5???

????/??

+/- 20%?+/- 0.002“

soldermask swell

?????????????? ????????0.005???????0.0025??? ?????????????????

??

?????0.031??,???????,???????????????

?????

?????????????0.100?????????????????,???????????

??(legend)

???????smt????:0.005“?????



????: