IPC-TM-650 EN 2022 试验方法1.pdf - 第89页
T a ble 1 T ype 1 +150µm +75 µm +20 µm –20 µm T ype 2 + 7 5 µm +45 µm +20 µm –20 µm T ype 3 + 4 5 µm +25 µm +20 µm –20 µm T ype 4 + 3 8 µm +20 µm –20 µm T ype 5 + 3 0 µm +15 µm –15 µm T ype 6 + 1 5 µm + 5 µm – 5 µm IPC-T…
Table 1
Type 1 +150µm +75 µm +20 µm –20 µm
Type 2 + 75 µm +45 µm +20 µm –20 µm
Type 3 + 45 µm +25 µm +20 µm –20 µm
Type 4 + 38 µm +20 µm –20 µm
Type 5 + 30 µm +15 µm –15 µm
Type 6 + 15 µm + 5 µm – 5 µm
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Table 1
Type 1 +150µm +75 µm +20 µm –20 µm
Type 2 + 75 µm +45 µm +20 µm –20 µm
Type 3 + 45 µm +25 µm +20 µm –20 µm
Type 4 + 38 µm +20 µm –20 µm
Type 5 + 30 µm +15 µm –15 µm
Type 6 + 15 µm + 5 µm – 5 µm
IPC-TM-650
Number
Subject Date
Revision
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ASTM D-1210-79
*Source: Precision Gage & Tool Co. 28 Volkenand Ave., Dayton, Ohio
45410 513/254-8404
Table 1
1st 4th Major
Type 1 160µm 150 µm 140 µm
Type 2 80µm 75 µm 65 µm
Type 3 50µm 45 µm 40 µm
Type 4 40µm 38 µm 35 µm
Type 5 30µm 25 µm 23 µm
Type 6 20µm 15 µm 15 µm
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