IPC-TM-650 EN 2022 试验方法1.pdf - 第355页

T abl e 2 Initial Stackweight (Wo, g rams) vs. Calculated Initial Thickness (ho , mils) 104 106 108 1 1 2 1 13 1 16 7628 Wo ho Wo ho Wo ho Wo h o Wo ho Wo h o Wo ho 20 1.03 25 1.28 40 1.95 3 5 3.13 35 2.97 45 3.82 80 6.7…

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IPC-TM-650
J-STD-004
J-STD-006
Commercial Item Description (CID) A-A-59551
Note:
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Table 2 Initial Stackweight (Wo, grams) vs. Calculated Initial Thickness (ho, mils)
104 106 108 112 113 116 7628
Wo ho Wo ho Wo ho Wo ho Wo ho Wo ho Wo ho
20 1.03 25 1.28 40 1.95 35 3.13 35 2.97 45 3.82 80 6.71
21 1.10 26 1.35 41 2.02 36 3.24 36 3.09 46 3.94 81 6.73
22 1.16 27 1.41 42 2.08 37 3.36 37 3.21 47 4.06 82 6.85
23 1.23 28 1.48 43 2.15 38 3.48 38 3.32 48 4.17 83 6.97
24 1.29 29 1.54 44 2.21 39 3.60 39 3.44 59 4.29 84 7.08
25 1.36 30 1.61 45 2.28 40 3.71 40 3.56 50 4.41 85 7.20
26 1.43 31 1.68 46 2.34 41 3.83 41 3.67 51 4.52 86 7.32
27 1.49 32 1.74 47 2.41 42 3.95 42 3.79 52 4.64 87 7.44
28 1.56 33 1.81 48 2.47 43 4.07 43 3.91 53 4.76 88 7.55
29 1.62 34 1.87 49 2.54 44 4.18 44 4.03 54 4.88 89 7.67
30 1.69 35 1.94 50 2.60 45 4.30 45 4.14 55 4.99 90 7.79
31 1.75 36 2.00 51 2.67 46 4.42 46 4.26 56 5.11 91 7.91
32 1.82 37 2.07 52 2.73 47 4.54 47 4.38 57 5.23 92 8.02
33 1.88 38 2.13 53 2.80 48 4.65 48 4.50 58 5.35 93 8.14
34 1.95 39 2.20 54 2.86 49 4.77 49 4.61 59 5.46 94 8.26
35 2.01 40 2.26 55 2.93 50 4.89 50 4.73 60 5.58 95 8.38
36 2.08 41 2.33 56 2.99 51 5.01 51 4.85 61 5.70 96 8.49
37 2.14 42 2.39 57 3.06 52 5.12 52 4.97 62 5.82 97 8.61
38 2.21 43 2.46 58 3.13 53 5.24 53 5.08 63 5.95 98 8.73
39 2.27 44 2.52 59 3.19 54 5.36 54 5.20 64 6.05 99 8.85
40 2.34 45 2.59 60 3.26 55 5.48 55 5.32 65 6.17 100 8.96
41 2.40 46 2.65 61 3.32 56 5.59 56 5.44 66 6.29 101 9.08
42 2.47 47 2.72 62 3.39 57 5.71 57 5.55 67 6.40 102 9.20
43 2.53 58 2.78 63 3.45 58 5.83 58 5.67 68 6.52 103 9.32
44 2.60 59 2.85 64 3.52 59 5.95 59 5.79 69 6.64 104 9.43
45 2.66 50 2.91 65 3.58 60 6.06 60 5.91 70 6.76 105 9.55
Wo = grams, ho = mils; (n) for 104, 106, 108 = 18; (n) for 112, 113, 116 7628 = 10
Reference Documents
1. Journal of Elastomers and Plastics, 10,367 (1978), C.J. Bartlett
2. Journal of Elastomers and Plastics, 10,365 (1978) D.P. Bloechle
3. IPC-TP-281, The Use of Scaled Flow Testing for B-Stage Prepreg, C.J. Bartlett, D.P. Bloechle, W.A. Mazeika
4. IPC-TP-418, Application of Scaled Flow Testing as an Incoming Inspection Criteria, H.J. Brown
5. IPC-TP-420, Scaled Flow for Testing CRC Prepreg, J. Del, P. Marx, J. Sallo
6. D.P. Bloechle, ‘‘Epoxy Prepreg Characterization using Scaled Flow Testing Techniques,’’ Circuit World, 9,1 (1982), p.8
IPC-TM-650
Number
Subject Date
Revision
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IPC-TR-483
Figure 1 All dimensions are in inches. Four
measurements are required as indicated. Locate
measuring points approximately 12.7mm [0.500 in] from
each edge in the fill direction, and 25.4 mm [1.00 in] from
each edge in the warp direction.
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