Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Patent
1983-05-19
1985-04-09
Kittle, John
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Radiation mask
430938, 430945, 427 531, 427142, 427140, G03F 900
Patent
active
045102228
ABSTRACT:
A photomask with white defects that have corrected with a film comprising a mixture of silver and tantalum oxide. The film has a good resistance to chemicals.
REFERENCES:
patent: 4023961 (1977-05-01), Douglas et al.
patent: 4340654 (1982-07-01), Campi
patent: 4444801 (1984-04-01), Hongo et al.
patent: 4463073 (1984-07-01), Miyauchi et al.
Hongo Mikio
Miyauchi Tateoki
Mizukoshi Katsuro
Okunaka Masaaki
Dees Jos,e G.
Hitachi , Ltd.
Kittle John
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