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JPS5662246A - Sensitizing method for direct positive silver halide photographic emulsion - Google Patents

Sensitizing method for direct positive silver halide photographic emulsion

Info

Publication number
JPS5662246A
JPS5662246A JP13813179A JP13813179A JPS5662246A JP S5662246 A JPS5662246 A JP S5662246A JP 13813179 A JP13813179 A JP 13813179A JP 13813179 A JP13813179 A JP 13813179A JP S5662246 A JPS5662246 A JP S5662246A
Authority
JP
Japan
Prior art keywords
silver halide
direct positive
positive silver
support
halide photographic
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
JP13813179A
Other languages
Japanese (ja)
Inventor
Nobuo Saito
Akio Yoshida
Susumu Baba
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.)
Mitsubishi Paper Mills Ltd
Original Assignee
Mitsubishi Paper Mills 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 Mitsubishi Paper Mills Ltd filed Critical Mitsubishi Paper Mills Ltd
Priority to JP13813179A priority Critical patent/JPS5662246A/en
Publication of JPS5662246A publication Critical patent/JPS5662246A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enhance the sensitivity of a direct positive silver halide emulsion without exerting unfavorable influence on other photographic characteristics by applying the emulsion to a support having a polyolefin surface layer immediately after corona discharge treatment.
CONSTITUTION: A direct positive silver halide emulsion is applied to the surface of the support of a photographic material within 2min after the corona discharge treatment of the support surface, and it is dried. The support has a coat of polyethylene or other polyolefin or is made of polyolefin. Thus, the sensitivity alone of the emulsion can be enhanced with very little influence on other photographic characteristics such as r-value and Dmax.
COPYRIGHT: (C)1981,JPO&Japio
JP13813179A 1979-10-25 1979-10-25 Sensitizing method for direct positive silver halide photographic emulsion Pending JPS5662246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13813179A JPS5662246A (en) 1979-10-25 1979-10-25 Sensitizing method for direct positive silver halide photographic emulsion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13813179A JPS5662246A (en) 1979-10-25 1979-10-25 Sensitizing method for direct positive silver halide photographic emulsion

Publications (1)

Publication Number Publication Date
JPS5662246A true JPS5662246A (en) 1981-05-28

Family

ID=15214701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13813179A Pending JPS5662246A (en) 1979-10-25 1979-10-25 Sensitizing method for direct positive silver halide photographic emulsion

Country Status (1)

Country Link
JP (1) JPS5662246A (en)

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