IPC-TM-650 EN 2022 试验方法1.pdf - 第232页

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Figure 2 Minimum core thickness

t

COVERCOAT

COVERCOAT

M

t

t

M

t

t = t

M

SUBSTRATE

CONDUCTOR

CONDUCTOR

SUBSTRATE

CONDUCTOR

CONDUCTOR

CONDUCTOR

SUBSTRATE

Figure 3 Fatigue ductility ﬂex tester

IPC-TM-650

Number

Subject Date

Revision

Page 2 of 3

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e

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Figure 2 Core Thickness

t

M

t

t = t

M

SUBSTRATE

CONDUCTOR

CONDUCTOR

SUBSTRATE

CONDUCTOR

IPC-TM-650

Number

Subject Date

Revision

Page 2 of 3