CA944427A - Thermal electret copying process - Google Patents

Thermal electret copying process

Info

Publication number
CA944427A
CA944427A CA066,989A CA66989A CA944427A CA 944427 A CA944427 A CA 944427A CA 66989 A CA66989 A CA 66989A CA 944427 A CA944427 A CA 944427A
Authority
CA
Canada
Prior art keywords
copying process
thermal electret
electret
thermal
copying
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
CA066,989A
Inventor
Joseph Gaynor
Robert H. Downie
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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 Bell and Howell Co filed Critical Bell and Howell Co
Application granted granted Critical
Publication of CA944427A publication Critical patent/CA944427A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/024—Photoelectret layers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/056—Electrographic processes using a charge pattern using internal polarisation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/028—Layers in which after being exposed to heat patterns electrically conductive patterns are formed in the layers, e.g. for thermoxerography
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/153—Charge-receiving layers combined with additional photo- or thermo-sensitive, but not photoconductive, layers, e.g. silver-salt layers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
CA066,989A 1968-11-21 1969-11-07 Thermal electret copying process Expired CA944427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77781568A 1968-11-21 1968-11-21

Publications (1)

Publication Number Publication Date
CA944427A true CA944427A (en) 1974-03-26

Family

ID=25111367

Family Applications (1)

Application Number Title Priority Date Filing Date
CA066,989A Expired CA944427A (en) 1968-11-21 1969-11-07 Thermal electret copying process

Country Status (6)

Country Link
JP (1) JPS511973B1 (en)
CA (1) CA944427A (en)
CH (1) CH527450A (en)
DE (1) DE1957991A1 (en)
FR (1) FR2023820A1 (en)
GB (1) GB1296689A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401364A1 (en) * 1977-06-17 1979-03-23 Cit Alcatel TRANSMISSION BY SHARED TRAIN GEAR
DE4106353A1 (en) * 1991-02-28 1992-09-03 Basf Ag REVERSIBLE OR IRREVERSIBLE GENERATION OF AN IMAGE
DE4434766A1 (en) * 1994-09-29 1996-04-04 Roland Man Druckmasch A method of supporting imaging of a printing form and printing form for use in one of the methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798959A (en) * 1953-10-01 1957-07-09 Rca Corp Photoconductive thermography

Also Published As

Publication number Publication date
GB1296689A (en) 1972-11-15
JPS511973B1 (en) 1976-01-22
FR2023820A1 (en) 1970-08-21
DE1957991A1 (en) 1970-06-18
CH527450A (en) 1972-08-31

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