Indicating element and method of manufacturing same

Details Indicating element and method of manufacturing same Indicating element and method of manufacturing same

1975-10-24

1977-04-19

Edlow, Martin H.

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

357 68, 313500, H01L 3300

Patent

active

040191966

ABSTRACT:
An indicating element comprises a base plate of P-type or N-type epitaxial crystals, a N-type or P-type indicating layer of diffusion or growth planarly formed on the base plate, and an electrode layer provided on the planar indicating layer and having a desired pattern thereon. The element is manufactured by forming an electrode on a rear surface of the base plate, forming the N-type or P-type planar indicating layer on an upper surface of the base plate by means of diffusion or crystal growth, and mounting on the planar indicating layer the electrode layer having the desired pattern thereon.

REFERENCES:
patent: 3641390 (1972-02-01), Nakumura
patent: 3719849 (1973-03-01), Steward
patent: 3737704 (1973-06-01), Grenon
patent: 3805347 (1974-04-01), Collins
patent: 3806777 (1974-04-01), Edmonds
patent: 3900864 (1975-08-01), Dapkus

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