Title:
【発明の名称】強誘電性高分子光メモリー
Document Type and Number:
Japanese Patent JP2930955
Kind Code:
B2
Abstract:
PURPOSE:To improve sensitivity and recording density by providing a layer consisting of a material having a small thermal conductivity and large specific heat in contact with an upper electrode layer. CONSTITUTION:This optical memory has a heat accumulation layer 5 consisting of the material having the low thermal conductivity than the thermal conductivity of the electrode layer (upper electrode) 2 on the side opposite to a substrate 4 on the outer side of said electrode layer 2 with a recording layer 1 consisting of a ferroelectric high-polymer film in-between. Namely, the change of the upper electrode 2 temp. with time is retarded to prolong the time when the upper layer 2 is in a high-temp. state by adding the above-mentioned heat accumulation layer 5 to the recording medium, by which the quantity of the heat permeated to the recording layer 1 is increased. Further, the layer 5 also plays the role of protecting the recording layer 1 against flaws, dust, dirt, etc., and improving the preservable stability of the recording layer 2. The recording density and sensitivity are improved in this way.
Inventors:
MOTOMURA SHUJI
KOJIMA AKIO
YAMAGUCHI TAKEO
WATANABE YOSHIO
KOJIMA AKIO
YAMAGUCHI TAKEO
WATANABE YOSHIO
Application Number:
JP16770288A
Publication Date:
August 09, 1999
Filing Date:
July 07, 1988
Export Citation:
Assignee:
RIKOO KK
International Classes:
B42D15/10; B41M5/26; G06K19/00; G06K19/06; G11B7/24; G11B7/24033; G11B9/02; G11B11/12; (IPC1-7): G11B9/02; B41M5/26; B42D15/10; G06K19/06; G11B11/12
Domestic Patent References:
| JP63244341A |
Attorney, Agent or Firm:
Hidetake Komatsu (2 outside)