Method for vapor depositing a cerium oxide film

Details Method for vapor depositing a cerium oxide film Method for vapor depositing a cerium oxide film

1978-05-30

1980-12-30

Hoffman, James R.

Coating processes

Electrical product produced

Photoelectric

427 75, 4272481, B05D 100, H01J 3126

Patent

active

042423732

ABSTRACT:
A method for forming a thin film of cerium oxide as a blocking layer which constitutes a portion of a photoelectric film of a blocking type image pickup tube is disclosed. A substrate deposition rate in a vacuum deposition process is established in a range between 0.01 to 0.6 A/sec to prevent the deposition of particles which result in black or white spots in a picture image. It is more effective to select a particle size of 5 .mu. or more for the primary particles to be deposited.

REFERENCES:
patent: 3020432 (1962-02-01), Nicholson
patent: 3350595 (1967-10-01), Kramer
patent: 3632442 (1972-01-01), Turnbull
patent: 3644101 (1972-02-01), Takashio et al.
patent: 3985918 (1976-10-01), Fukai et al.
patent: 3988758 (1976-10-01), Fuji

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