公开(公告)号：DE2021590A1

公开(公告)日：1971-02-04

申请号：DE2021590

申请日：1970-05-02

Applicant: IBM

Inventor： ANDREW NEPELA DANIEL

IPC: B41C3/06 ,  G03C5/315 ,  G03C11/00 ,  G03C5/00

公开(公告)号：DE1810992A1

公开(公告)日：1969-07-10

申请号：DE1810992

申请日：1968-11-26

Applicant: IBM

Inventor： MANSFIELD EVLETH EARL ,  ANDREW NEPELA DANIEL

IPC: G03C1/52 ,  G03C1/58

公开(公告)号：DE1522881A1

公开(公告)日：1969-10-16

申请号：DE1522881

申请日：1967-03-30

Applicant: IBM

Inventor： DEAN KNIGTH ROBERT ,  ANDREW NEPELA DANIEL

IPC: G03D3/02 ,  G03D5/04 ,  G03D13/04

Abstract: 1,155,242. Photographic developing apparatus. INTERNATIONAL BUSINESS MACHINES CORP. April 6, 1967 [April 7, 1966], No. 15867/67. Heading G2A. A film chip 3 to be developed is placed in a development device 1 which includes a thin vertically orientated development chamber, the end walls of which have grooves 8, 9 therein to hold the chip from contact with the side walls which are closely spaced from the restrained chip. Liquid enters the development chamber from an inlet chamber 15 via dispensing channels 16-20 and a dispersion chamber 21 having lugs 22-24 for supporting the bottom edge of the chip. Liquid flows up both sides of the chip and into an overflow trough, and from thence is carried away by a channel 11. Successive solutions are applied in turn through the chamber 15, a sharp interface between successive liquids being obtained due to laminar flow.

公开(公告)号：DE1522644A1

公开(公告)日：1969-10-02

申请号：DEJ0031397

申请日：1966-07-25

Applicant: IBM

Inventor： DAVID SHATTUCK MEREDITH ,  VAHTRA ULO ,  JOSE SAN ,  ANDREW NEPELA DANIEL

IPC: G03G5/06 ,  G03G5/07 ,  G03G13/04 ,  G03G17/00 ,  G03G13/22

Abstract: 1,092,618. Photoconductive composition. INTERNATIONAL BUSINESS MACHINES CORPORATION July 21, 1966 [July 26, 1965], No 32707/66 Heading H1K [Also in Division G2] A photoconductive composition comprises an organic photoconductor a dyestuff sensitizer and an activator selected from the group consisting of carboxylic acids, and their anhydrides, nitrophenols and nitro anilines. In the specific embodiments, the photoconductors are polyvinyl carbazole; 1 - phenyl - 3 - (41 - dimethyl amino styryl) - 5 - (4 11 - dimethylaminophenyl) pyrazoline; 1,3 - diphenyl - 5(41- dimethylaminophenyl) pyrazoline; 1,3,5 - triphenyl pyrazoline; 1,3,4,5 - tetraphenylimidazole - 2 - thione and 1 - formyl (2,5 - bisp - dimethyl aminophenyl) 1,3,4 - triazole; the dyestuffs Malachite Green, Victoria Blue B, and Ethyl Violet and the activators 3,5-dinitrobenzoic acid; tetrachlorophthalic anhydride; 6,61 - tetranitrodiphenic acid; 2,2 1 ,4,4 1 ,6,6 1 - hexanitrodiphenylamine and picric acid. Resin binders such as PVA and polystyrene are exemplified whilst many others are listed. Lists of suitable polymeric and monomeric photoconductors, sensitizing dyes and activators are given. The composition may be coated on to a support of Cu, Al, Zn, Sn, Pb, Fe, paper, Cu, or Al-coated polyethylene terephthalate, or Nesa-glass. The compositions disclosed exhibit persistent polarization when exposed image-wise and are then charged electrostatically. The persistent conductivity pattern is erased by heating to 100-150‹ C. for 5 seconds.