Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Reexamination Certificate
2006-03-07
2006-03-07
Cuneo, Kamand (Department: 2841)
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
C174S255000, C174S260000
Reexamination Certificate
active
07009117
ABSTRACT:
A printed circuit board, which is guaranteed to be free of defective soldering in mounting and connecting electric or electronic parts or devices to the printed circuit, has a circuit pattern printed on its substrate, and an anti-soldering layer is laid on the circuit pattern to prevent soldering material from sticking to the circuit pattern and silk-screen printing areas are laid on the anti-soldering layer to indicate where selected electric or electronic parts or devices are to be mounted. Each silk-screen printing area has terminal holes made therein. The board has a substrate-exposed zone traversing the silk-screen printing area to leave its opposite extensions open to the surrounding atmosphere, thereby allowing heated air and gases to escape from the interspace between the bottom of the electric or electronic part or device and the exposed substrate.
REFERENCES:
patent: 6137061 (2000-10-01), Aponte et al.
patent: 6849805 (2005-02-01), Honda et al.
patent: 2246731 (1992-02-01), None
patent: 7-10971 (1995-02-01), None
patent: 2000-196215 (2000-07-01), None
Cuneo Kamand
Norris Jeremy
Orion Electric Co. Ltd.
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