Thaddeus V Rychlewski

43596649, Nov 16, 1982

Jul 2, 1980

6/165322

Floyd K. Collins - Seneca Falls NY
Thaddeus V. Rychlewski - Seneca Falls NY

North American Philips Consumer Electronics Corp. - New York NY

H01J 194
H01J 1948

313270

A cathode eyelet has its cathode receiving end formed in an elliptical cross-section. Pressure on the long axis opens the short axis to a dimension large enough to admit the cathode. Removal of the pressure allows the sides of the ellipse defined by the short axis to collapse and frictionally retain the cathode in position until it is welded to the eyelet.

44785909, Oct 23, 1984

Dec 28, 1981

6/335301

Thaddeus V. Rychlewski - Seneca Falls NY

North American Philips Consumer Electronics Corp. - New York NY

H01J 904

445 50

Depression cathode structures for cathode ray tubes are produced by dispensing liquid cathode material into the depression of a metallic supporting substrate, removing excess cathode material by passing a doctor blade across the substrate surface and over the depression, and drying the cathode layer to a substantially immobile state. The cathode layer may optionally be further shaped prior to substantially complete drying thereof.

40113710, Mar 8, 1977

Dec 17, 1975

5/641487

Joseph L. Hallett - Seneca Falls NY
Peter H. Rollason - Cayuga NY
Thaddeus V. Rychlewski - Seneca Falls NY

GTE Sylvania Incorporated - Stamford CT

H01M 208

429174

A neutralizing agent is maintained adjacent the seal area of electrochemical cells containing corrosive electrolytes. The neutralizing agent can be kept in a pocket or depression formed in a flange next to the seal or can be contained in a suitable plastic ring which surrounds the seal. When the electrolyte is thionyl chloride and aluminum chloride a suitable neutralizing agent is sodium carbonate.

42450195, Jan 13, 1981

Jul 31, 1978

5/929744

Robert L. Bergamo - Seneca Falls NY
Thaddeus V. Rychlewski - Seneca Falls NY
Siegbert M. Wirth - Seneca Falls NY

GTE Products Corporation - Stamford CT

H01J 2932

430 24

A method for forming patterned screens for cathode ray tubes wherein a multiplicity of viewing areas are spaced in accordance with and dimensionally smaller than openings of a mask member comprising the steps of coating the inner surface of a viewing panel with polyvinyl alcohol photosensitized with dichromate; exposing the viewing panel at a first positional location to radiant energy beamed through the mask openings; moving the viewing panel to a second positional location and exposing the viewing panel to radiant energy beamed through the mask openings; developing to remove the unexposed coating from the viewing panel; treating the exposed viewing panel with a dilute organic etching composition to erode the coating exposed to the radiant energy at one of the first and second positional locations; and washing the viewing panel to remove the etching composition and eroded coating leaving polymerized coating of a dimension smaller than the openings of the mask member.