FR803418A - Process for making mosaic cathodes - Google Patents

Process for making mosaic cathodes

Info

Publication number
FR803418A
FR803418A FR803418DA FR803418A FR 803418 A FR803418 A FR 803418A FR 803418D A FR803418D A FR 803418DA FR 803418 A FR803418 A FR 803418A
Authority
FR
France
Prior art keywords
cathodes
making mosaic
mosaic
making
mosaic cathodes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Farnsworth Television Inc
Original Assignee
Farnsworth Television Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Farnsworth Television Inc filed Critical Farnsworth Television Inc
Application granted granted Critical
Publication of FR803418A publication Critical patent/FR803418A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/39—Charge-storage screens
    • H01J29/43—Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope
FR803418D 1935-03-13 1936-03-13 Process for making mosaic cathodes Expired FR803418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10883A US2075377A (en) 1935-03-13 1935-03-13 Means and method of forming discrete areas

Publications (1)

Publication Number Publication Date
FR803418A true FR803418A (en) 1936-09-30

Family

ID=21747869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR803418D Expired FR803418A (en) 1935-03-13 1936-03-13 Process for making mosaic cathodes

Country Status (5)

Country Link
US (1) US2075377A (en)
DE (1) DE682470C (en)
FR (1) FR803418A (en)
GB (1) GB471359A (en)
NL (1) NL43986C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE472808A (en) * 1942-10-02
US2476590A (en) * 1943-07-03 1949-07-19 Westinghouse Electric Corp Cathode coating
US2671857A (en) * 1944-02-11 1954-03-09 John M Cage Micro-microwave generator
US2548514A (en) * 1945-08-23 1951-04-10 Bramley Jenny Process of producing secondaryelectron-emitting surfaces
US2716203A (en) * 1947-06-23 1955-08-23 William J Sen Electronic image storage tube and system
DE849570C (en) * 1949-04-22 1952-09-15 Fernseh Gmbh Process for the production of very fine-meshed net films
US2620287A (en) * 1949-07-01 1952-12-02 Bramley Jenny Secondary-electron-emitting surface
US2926325A (en) * 1954-11-04 1960-02-23 Servomechanisms Inc Film resistor element
US2860221A (en) * 1955-11-25 1958-11-11 Gen Mills Inc Method of producing a humidity sensor by shadow casting and resultant product
US2906648A (en) * 1955-11-25 1959-09-29 Gen Mills Inc Masking method of producing a humidity sensor
US2908595A (en) * 1955-11-25 1959-10-13 Gen Mills Inc Coating and grinding method of making a humidity sensor

Also Published As

Publication number Publication date
GB471359A (en) 1937-09-02
DE682470C (en) 1940-02-27
NL43986C (en)
US2075377A (en) 1937-03-30

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