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JPS55111951A - Electrophotographic method - Google Patents

Electrophotographic method

Info

Publication number
JPS55111951A
JPS55111951A JP1845979A JP1845979A JPS55111951A JP S55111951 A JPS55111951 A JP S55111951A JP 1845979 A JP1845979 A JP 1845979A JP 1845979 A JP1845979 A JP 1845979A JP S55111951 A JPS55111951 A JP S55111951A
Authority
JP
Japan
Prior art keywords
layer
photoreceptor
photoconductivity
latent image
polarity
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.)
Pending
Application number
JP1845979A
Other languages
Japanese (ja)
Inventor
Masao Konishi
Sumitaka Aida
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP1845979A priority Critical patent/JPS55111951A/en
Publication of JPS55111951A publication Critical patent/JPS55111951A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Photoreceptors In Electrophotography (AREA)

Abstract

PURPOSE: To economically obtain a positive with one photoreceptor by using a photoreceptor manufactured by laminating two kinds of photoconductive layers on an electrically conductive substrate in order; carrying out exposure with two kinds of light to form two latent image portions; and superposing two images.
CONSTITUTION: On an electrically conductive substrate of Al or the like a first photoconductive layer of selenium or the like sensitive to visible light is laminated, and a second photoconductive layer of polyvinyl carbazole or the like sensitive only to ultraviolet rays is further laminated to manufacture a photoreceptor. This photoreceptor is primarily charged with electricity of the reverse polarity to the polarity of the many carriers of the first layer, and then while being charged with electricity of the reverse polarity to the polarity of the primary charge, the photoreceptor is partially exposed to light providing photoconductivity only to the first layer to form a first latent image portion. Next it is partially exposed to light providing photoconductivity only to the second layer, and overall exposure is carried out with light providing photoconductivity only to the first layer to form a second latent image portion.
COPYRIGHT: (C)1980,JPO&Japio
JP1845979A 1979-02-21 1979-02-21 Electrophotographic method Pending JPS55111951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1845979A JPS55111951A (en) 1979-02-21 1979-02-21 Electrophotographic method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1845979A JPS55111951A (en) 1979-02-21 1979-02-21 Electrophotographic method

Publications (1)

Publication Number Publication Date
JPS55111951A true JPS55111951A (en) 1980-08-29

Family

ID=11972206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1845979A Pending JPS55111951A (en) 1979-02-21 1979-02-21 Electrophotographic method

Country Status (1)

Country Link
JP (1) JPS55111951A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57144568A (en) * 1981-03-02 1982-09-07 Fuji Xerox Co Ltd Double-color electrophotographing method
JPS57144567A (en) * 1981-03-02 1982-09-07 Fuji Xerox Co Ltd Double-color electrophotographing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57144568A (en) * 1981-03-02 1982-09-07 Fuji Xerox Co Ltd Double-color electrophotographing method
JPS57144567A (en) * 1981-03-02 1982-09-07 Fuji Xerox Co Ltd Double-color electrophotographing method

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