IPC-4556 印制板化学镍钯浸金（ENEPIG）规范ENG - 第64页

Figure A7-10 Sn63Pb37 T est Coupon 19 – T est Coupon at 200X magnification (left view) and at 500X magnification (right view) and both are cross-sectional views. Figure A7-1 1 SAC305 T est Coupons 1 & 2 – T est Coupon …

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Figure A7-7 Sn63Pb37 Test Coupons5&6–Test Coupon 5 (left view) and Test Coupon 6 (right view) are both cross-sections at 500X
magnification.
Figure A7-8 Sn63Pb37 Test Coupons7&8–Test Coupon 7 (left view) and Test Coupon 8 (right view) are both cross-sections at 500X
magnification.
Figure A7-9 Sn63Pb37 Test Coupon 18 – 500X magnification
cross-section view.
January 2013 IPC-4556
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Figure A7-10 Sn63Pb37 Test Coupon 19 – Test Coupon at 200X magnification (left view) and at 500X magnification (right view) and
both are cross-sectional views.
Figure A7-11 SAC305 Test Coupons 1 & 2 – Test Coupon 1 (left view) and Test Coupon 2 (right view) are both cross-sections at 500X
magnification.
Figure A7-12 SAC305 Test Coupons3&4–Test Coupon 3 (left view) and Test Coupon 4 (right view) are both cross-sections at 500X
magnification.
IPC-4556 January 2013
54
Figure A7-13 SAC305 Test Coupons5&6–Test Coupon 5 (left view) and Test Coupon 6 (right view) are both cross-sections at 500X
magnification.
Figure A7-14 SAC305 Test Coupons 16 & 17 – Test Coupon 16 (left view) and Test Coupon 17 (right view) are both cross-sections at
500X magnification.
Figure A7-15 SAC305 Test Coupon 18 – 500X magnification
cross-section view
January 2013 IPC-4556
55