610F CIS CERT RECERT M6 THROUGH-HOLE TECHNOLOGY-CN

1、IPC-A-610F“電子組件的可接受性電子組件的可接受性”第第6模塊：通孔技術(shù)模塊：通孔技術(shù)IPC認證專員（認證專員（CIS）培訓(xùn)認證課程培訓(xùn)認證課程 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-2課程概述課程概述 元器件的安放 元器件的固定 支撐孔 非支撐孔 跳線 2014, IPC, Bannockburn, IL All rights reserved. For use only

2、 in IPC Training Programs leading to Official IPC Certification M6-3課程目標課程目標 完成本模塊學(xué)習(xí)后, 學(xué)員將能夠識別通孔元器件的安放要求 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-47 通孔技術(shù)通孔技術(shù) 任何元器件在電子組件上的放置不能妨礙任何零部件的插入或取出 所安裝的零部件與導(dǎo)電焊盤、元器件引線或未絕緣的元器件

3、之間的最小間隙 取決于具體的工作電壓 不小于規(guī)定的最小電氣間隙 粘接材料 足夠支持零部件 不能封蓋元器件標識 目檢包括 零部件標識、安裝次序以及零部件、元器件或板子的損傷 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-67.1.1.1 元器件的安放元器件的安放 方向方向 水平水平圖圖 7-1圖圖 7-21 of 2可接受可接受1,2,3級級極性元件和多引線元器件定向正確極性標示可辨識按照規(guī)

4、定放在正確的焊盤上無極性元件沒有按照標記同向讀取 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-77.1.1.1 元器件的安放元器件的安放 方向方向 水平水平圖圖 7-32 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Officia

5、l IPC Certification M6-87.1.1.2 元器件的安放元器件的安放 方向方向 垂直垂直+圖圖 7-5圖圖 7-41 of 2可接受可接受1,2,3級級極性元件負極引線長極性符號隱藏?zé)o極性元器件的標示從下向上讀取 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-97.1.1.2 元器件的安放元器件的安放 方向方向 垂直垂直圖圖 7-62 of 2 2014, IPC, B

6、annockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-107.1.2.1 元器件的安放元器件的安放 引線成形引線成形 彎曲半徑彎曲半徑圖圖 7-7表表 7-1 7-1 引線內(nèi)彎半徑引線內(nèi)彎半徑引線直徑引線直徑 (D)或厚度或厚度(T)最小內(nèi)彎半徑最小內(nèi)彎半徑(R)1.2mm0.05in2倍(D)或(T)注：矩形引線采用厚度注：矩形引線采用厚度(T)(T) 2014, IPC, Bannockburn, IL All ri

7、ghts reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-117.1.2.1 元器件的安放元器件的安放 引線成形引線成形 彎曲半徑彎曲半徑圖圖 7-8圖圖 7-92 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-127.1.2.2 元器件的安放元器件的

8、安放 引線成形引線成形 密封/熔接處與彎曲起始處之間的距離圖圖 7-10 焊料球焊料球1. 熔解熔解1 of 2可接受可接受1,2,3級級至少為一個引線直徑或厚度，但不小于0.8mm可接受可接受1級級制程警示制程警示2級級缺陷缺陷3級級 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-137.1.2.2 元器件的安放元器件的安放 引線成形引線成形 密封/熔接處與彎曲起始處之間的距離圖 7-1

9、2圖 7-112 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-167.1.2.3 元器件的安放元器件的安放 引線成形引線成形 應(yīng)力釋放應(yīng)力釋放圖圖 7-13典型的是48倍線徑最小1倍線徑最小2倍線徑圖圖 7-143 of 4 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training

10、Programs leading to Official IPC Certification M6-177.1.2.3 元器件的安放元器件的安放 引線成形引線成形 應(yīng)力釋放應(yīng)力釋放圖圖 7-16圖圖 7-154 of 4可接受可接受1級級制程警示制程警示2級級缺陷缺陷3級級從元器件本體的密封處到引線彎曲起始點的距離小于一倍線徑或厚度，但不小于0.8mm 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certificatio

11、n M6-187.1.2.4 元器件的安放元器件的安放 引線成形引線成形 損傷損傷圖圖 7-171 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-197.1.2.4 元器件的安放元器件的安放 引線成形引線成形 損傷損傷圖圖 7-18圖圖 7-192 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only

12、in IPC Training Programs leading to Official IPC Certification M6-277.1.6 元器件的安放元器件的安放 徑向引線徑向引線 垂直垂直圖圖 7-331 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-287.1.6 元器件的安放元器件的安放 徑向引線徑向引線 垂直垂直圖圖 7-342 of 2可接受可接受1級級制程警

13、示制程警示2,3 級級元器件底面與板面/焊盤之間的距離小于0.3mm或大于2mm 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-327.1.7 元器件的安放元器件的安放 徑向引線徑向引線 水平水平圖圖 7-40圖圖 7-411 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training

14、Programs leading to Official IPC Certification M6-337.1.7 元器件的安放元器件的安放 徑向引線徑向引線 水平水平圖圖 7-422 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-507.3.1 支撐孔支撐孔 軸向引線軸向引線 水平水平圖圖 7-65圖圖 7-66目標目標1,2,3級級整個元器件本體接觸面板要求離開板面的元件，與

15、板面至少相距1.5mm 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-517.3.1 支撐孔支撐孔 軸向引線軸向引線 水平水平圖圖 7-672 of 2可接受可接受1,2級級最大間隙C不違反最大高度要求H可接受可接受3級級元器件本體與板面的間隙C不超過0.7mm制程警示制程警示3級級元器件本體與板面的間隙D超過0.7mm 2014, IPC, Bannockburn, IL All rig

16、hts reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-527.3.2 支撐孔支撐孔 軸向引線軸向引線 垂直垂直圖圖 7-681 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-537.3.2 支撐孔支撐孔 軸向引線軸向引線 垂直垂直圖圖 7-692 o

17、f 3表表7-2 7-2 元器件與焊盤之間元器件與焊盤之間的間隙的間隙 1級級2級級3級級C (最小最小)0.1mm0.004 in0.4 mm0.016 in0.8 mm(0.03 in)C (最大最大)6 mm0.2 in3 mm0.1 in1.5 mm0.06 in可接受可接受1級級制程警示制程警示2，3級級違背上表7-2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-557.3.3

18、 支撐孔支撐孔 導(dǎo)線引線伸出導(dǎo)線引線伸出 引線伸出應(yīng)當應(yīng)當符合表7-3的要求 注注：高頻情況時要對元器件引線的長度有更加精確的控制，以免影響產(chǎn)品的設(shè)計功能1 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-567.3.3 支撐孔支撐孔 導(dǎo)線引線伸出導(dǎo)線引線伸出圖圖 7-71圖圖 7-722 of 3表表7-3 7-3 支撐孔導(dǎo)線支撐孔導(dǎo)線/ /引線伸出長度引線伸出長度 1級級2級級

19、3級級最小最小(L)焊料中的引線末端可辨識，注1，3最大最大(L)，注注2無短路危險2.5mm0.1in1.5mm0.06in注注1 1：對于已預(yù)先確定引線長度，且其小于板厚度的元器件，元器件或引線臺肩與板面齊：對于已預(yù)先確定引線長度，且其小于板厚度的元器件，元器件或引線臺肩與板面齊平，在后續(xù)形成的焊接連接中不要求引線末端可見，見平，在后續(xù)形成的焊接連接中不要求引線末端可見，見1.4.1.51.4.1.5節(jié)。節(jié)。注注2 2：只要不違反最小電氣間隙，插座引線、繼電器引線、回火引線和其它直徑大于：只要不違反最小電氣間隙，插座引線、繼電器引線、回火引線和其它直徑大于 1.3mm0.05in1.3mm

20、0.05in的引線，可免除最大引線伸出長度要求。的引線，可免除最大引線伸出長度要求。注注3 3：可辨識的最小引線長度例外，見：可辨識的最小引線長度例外，見7.3.57.3.5節(jié)節(jié) 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-627.3.5 支撐孔支撐孔 焊接焊接圖圖 7-781. 焊盤區(qū)域1 of 4 2014, IPC, Bannockburn, IL All rights reser

21、ved. For use only in IPC Training Programs leading to Official IPC Certification M6-637.3.5 支撐孔支撐孔 焊接焊接圖圖 7-79圖圖 7-802 of 4 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-647.3.5 支撐孔支撐孔 焊接焊接圖圖 7-81圖圖 7-823 of 4 2014, IPC

22、, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-657.3.5 支撐孔支撐孔 焊接焊接4 of 4表表7-4 7-4 有引線的鍍覆孔有引線的鍍覆孔 最低可接受焊點最低可接受焊點1 1要求要求Class 1Class 2Class 3A.引線數(shù)量少于14的元器件的焊料垂直填充，注2，3 (見7.3.5.1節(jié))。未建立75%75%引線數(shù)量為14或多于14的元器件的焊料垂直填充，注2，3(見7.3.5.1節(jié))。50

23、% 或1.2 mm 0.05 in,取較小者B. 焊接終止面的引線和孔壁的圓周潤濕(見7.3.5.2節(jié))。未建立180270C. 焊接終止面的焊盤區(qū)域被潤濕的焊料覆蓋的百分比(見7.3.5.3節(jié))。0%D. 焊接起始面的引線和孔壁的潤濕(見7.3.5.4節(jié))。270330E. 焊接起始面的焊盤區(qū)域被潤濕的焊料覆蓋的百分比(見7.3.5.5節(jié))。75%注注1 1：潤濕的焊料指焊接過程中施加的焊料。對于通孔再流焊接，引線和焊盤之間可能沒有：潤濕的焊料指焊接過程中施加的焊料。對于通孔再流焊接，引線和焊盤之間可能沒有外部填充的焊料。外部填充的焊料。注注2 2：25%25%的未填充高度包括起始面和終止面

24、的焊料下陷。的未填充高度包括起始面和終止面的焊料下陷。注注3 3：某些特定的情況下，少于：某些特定的情況下，少于100% 100% 焊料填充是不可接受的，例如熱沖擊、電性能等。用戶焊料填充是不可接受的，例如熱沖擊、電性能等。用戶有責(zé)任向制造商說明這些情況。有責(zé)任向制造商說明這些情況。 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-667.3.5.1 支撐孔支撐孔 焊接焊接 垂直填充垂直填充

25、(A)圖圖 7-831 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-677.3.5.1 支撐孔支撐孔 焊接焊接 垂直填充垂直填充(A)圖圖 7-851. 垂直填充滿足表7-4的要求2. 焊接終止面3. 焊接起始面圖圖 7-842 of 3可接受可接受 2級級75%填充, 14引腳以上50%填充或1.2mm, 取較小者，焊接起始面的元件引腳可辨識 2014, IPC, Banno

26、ckburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-687.3.5.1 支撐孔支撐孔 焊接焊接 垂直填充垂直填充(A)圖圖 7-863 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-697.3.5.2 支撐孔支撐

27、孔 焊接焊接 焊接終止面焊接終止面 引線引線到孔壁到孔壁(B)圖圖 7-871 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-707.3.5.2 支撐孔支撐孔 焊接焊接 焊接終止面焊接終止面 引線引線到孔壁到孔壁(B)圖圖 7-88圖圖 7-892 of 3可接受可接受 2級級大于180的潤濕可接受可接受3級級大于270潤濕 2014, IPC, Bannockburn, IL

28、All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-717.3.5.2 支撐孔支撐孔 焊接焊接 焊接終止面焊接終止面 引線引線到孔壁到孔壁(B)圖圖 7-90圖圖 7-913 of 3 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-727.3.

29、5.3 支撐孔支撐孔 焊接焊接 焊接終止面焊接終止面 焊焊盤區(qū)覆蓋盤區(qū)覆蓋(C)圖圖 7-92可接受可接受 1，2，3級級焊接終止面的焊盤區(qū)不需要潤濕 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-737.3.5.4 支撐孔支撐孔 焊接焊接 焊接起始面焊接起始面 引引線到孔壁線到孔壁(D)圖圖 7-93圖圖 7-94可接受可接受 1，2級級最少270填充和潤濕可接受可接受3級級最少330填

30、充和潤濕 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-747.3.5.5 支撐孔支撐孔 焊接焊接 焊接起始面焊接起始面 焊焊盤區(qū)覆蓋盤區(qū)覆蓋(E)圖圖 7-95圖圖 7-961 of 2 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Offi

31、cial IPC Certification M6-757.3.5.5 支撐孔支撐孔 焊接焊接 焊接起始面焊接起始面 焊焊盤區(qū)覆蓋盤區(qū)覆蓋(E)圖圖 7-972 of 2可接受可接受 1，2，3級級焊接起始面的焊盤區(qū)域至少覆蓋75% 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-767.3.5.6 支撐孔支撐孔 焊接狀況焊接狀況 引線彎曲處引線彎曲處的焊料的焊料圖圖 7-98圖圖 7-99

32、 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-777.3.5.7 支撐孔支撐孔 焊料狀況焊料狀況 接觸通孔元接觸通孔元器件本體器件本體圖圖 7-101圖圖 7-100圖圖 7-102可接受可接受1,2,3焊料未接觸元器件本體或末端連接處缺陷缺陷1,2,3焊料接觸元器件本體或末端密封處。（SOT，SOD等小型封裝SOIC例外）焊料遮掩了彎曲的應(yīng)力釋放 2014, IPC, Bannockb

33、urn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-807.3.5.8 支撐孔支撐孔 焊料狀況焊料狀況 焊料中的彎焊料中的彎月面絕緣層月面絕緣層 圖圖 7-1053 of 3缺陷缺陷1,2級級焊接起始面焊料內(nèi)可看到彎月面絕緣層缺陷缺陷1,2,3級級焊接起始面沒有呈現(xiàn)360的潤濕不滿足表7-4的要求 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC

34、Training Programs leading to Official IPC Certification M6-817.3.5.9 焊接后的引線剪切焊接后的引線剪切 以下要求適用于印制板組件在焊接后修剪焊點的場合 只要剪切刀具不會因機械沖擊損傷元器件或焊接連接 對2、3級產(chǎn)品 當進行引線焊后剪切時，焊接端應(yīng)當用焊接端應(yīng)當用10X放大倍數(shù)目放大倍數(shù)目視檢查視檢查，以確保原來的焊接連接沒有被損壞 可對焊接連接進行再次再流可對焊接連接進行再次再流。此次再流可視為焊接過程的一個工序 而不視為返工 該要求不適用于設(shè)計上在焊接后有部分引線要被去除的元器件1 of 2 2014, IPC, Banno

35、ckburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-827.3.5.9 焊接后的引線剪切焊接后的引線剪切圖圖 7-1061. 引線伸出圖圖 7-1072 of 2缺陷缺陷 1，2，3級級引線與焊料填充之間有開裂的痕跡 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official

36、IPC Certification M6-128復(fù)習(xí) 元器件的安放 元器件的固定 支撐孔復(fù)習(xí)題復(fù)習(xí)題 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-130無極性元器件沒有按照標記同向讀取的原則定向是 目標 可接受 制程警示 缺陷 2014, IPC, Bannockburn, IL All rights reserved. For use only in IPC Training Programs leading to Official IPC Certification M6-131無極性元器件沒有按照標記同向讀取的原則定向是 目標可接受可接受 制程警示 缺陷 參考：第參考：第7-3頁頁 條款條款 7.1.1.1 元器件的安放元器件的安放 方向方向 水平水平 2014, IPC, Bannockburn, IL All rights reserved. For use only in