Title: Process for producing color television picture tube

Abstract: In a process for producing a color television picture tube which comprises at least the step of coating phosphor slurries onto the inner surface of a panel to form a phosphor layer, the step of forming two layers each consisting of an aqueous filming emulsion containing an acrylic resin, the step of forming a metal film on the second layer, and the step of baking out the organic substances, a color television picture tube having a metal film which contains a few pores and cracks and no blister can be produced by using said phosphor slurries containing an acrylic resin and using the first aqueous filming emulsion containing an acrylic resin having an elongation of 10% or more and using the second aqueous filming emulsion containing an acrylic resin having an elongation of less than 10%.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Watanabe, Naomitsu (Mobara, JP)

Application Number: 771243
Filing Date: 1977-02-23
Publication_date: 1979-02-13
Assignee: Hitachi, Ltd. (JP)
Primary Class(es): 427/68 252/301.36, 427/64, 427/69, 427/123, 427/226, 430/23
Other Classes:
US Patent Ref:

3317337	May, 1967	Saulnier	427/68.
3574663	Apr, 1971	Schniepp	427/68.
3582389	Jun, 1971	Saulnier	427/68.
3582390	Jun, 1971	Saulnier	427/68.
3776754	Dec, 1973	Levinos	427/68.
3966474	Jun, 1976	Harper	427/68.

Other Refs:
Primary Examiner: Smith, John D.
Assistant Examiner:
Attorney: Craig & Antonelli