MULTILAYER BOARD IN WHICH WIRING OF SIGNAL LINE THAT...

Details MULTILAYER BOARD IN WHICH WIRING OF SIGNAL LINE THAT... MULTILAYER BOARD IN WHICH WIRING OF SIGNAL LINE THAT...

2005-05-31

2005-05-31

Tsai, Carol S. W. (Department: 2857)

Data processing: measuring, calibrating, or testing

Testing system

Of circuit

C702S057000, C702S062000, C702S065000, C702S133000, C713S194000, C713S152000

Reexamination Certificate

active

06901343

ABSTRACT:
A signal line, being in a six-layer board and connecting terminal102of component101with terminal115of component114,requires tamper-resistance. The signal line is composed of foil103on an outside layer, a via104,foil111on the third layer, via105,foil112on the fourth layer, via106,and foil113on the sixth layer. Portions of the signal line that exist on outside layers are all hidden under circuit components. Foil103and an end of via104are placed under component101on first layer116,an end of via105is placed under component107on layer116,an end of via106is placed under component108on layer116,the other end of via104is placed under component109on sixth layer121,the other end of via105is placed under component110on layer121,and foil113and the other end of via106are placed under component114on layer121.

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