Method of making an LED array head

Details Method of making an LED array head Method of making an LED array head

1989-05-30

1990-06-26

Rowan, Kurt

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

357 19, H01J 900

Patent

active

049368087

ABSTRACT:
There is disclosed a method of making an LED array head capable of simplifying an electrical wiring arrangement process between an individual electrode of each LED component and an external wiring upon formation of the LED array on a ceramic substrate. The inventive method includes the steps of: forming an external wiring on a portion of top surface of a substrate having a recess and an internal wiring on an entire top surface of said recess; bonding a respective LED component into said recess; forming an insulating film on the entire top surface of the substrate and the LED component; forming contact windows by selectively etching said insulating film so as to make access to the external wiring and an individual electrode disposed on the top surface of said LED component; and forming secondary wiring for electrically coupling the individual electrode with the external electrode through said contact windows.

REFERENCES:
patent: 3860424 (1975-01-01), Johnson
patent: 3914137 (1975-10-01), Huffman
patent: 4040078 (1977-08-01), Eckton
patent: 4611886 (1986-09-01), Cline
patent: 4775645 (1988-10-01), Kurata

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