Aluminization process of the internal face of the screen of a co

Details Aluminization process of the internal face of the screen of a co Aluminization process of the internal face of the screen of a co

1984-09-26

1986-05-20

Hoffman, James R.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 73, B05D 506, B05D 512

Patent

active

045900922

ABSTRACT:
On the internal face of the frontal panel forming a color television tube, in order to obtain a cathodoluminescent screen, phosphors are deposited. A layer of aluminum must be deposited on the phosphors. An intermediate smoothening product, later decomposed, permits to obtain a layer of a satisfactory quality. A layer of ammonium tetraborate, forming microcrystals, is deposited on the product, piercing the aluminum layer so as to help the discharge of gases resulting from the decomposition of the intermediary layer.

REFERENCES:
patent: 2910376 (1959-10-01), Stankey et al.
patent: 3821009 (1974-06-01), Lerner et al.
patent: 4025661 (1977-05-01), Moscony et al.
patent: 4123563 (1978-10-01), Mitobe et al.
patent: 4339475 (1982-07-01), Hinosugi et al.
Patents Abstracts of Japan, vol. 4, No. 28 (E-1) (510), Mar. 8, 1980, p. 36 E1.

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