DE3125715A1 - Doppelseitiges photographisches silberhalogenidmaterial - Google Patents

Doppelseitiges photographisches silberhalogenidmaterial

Info

Publication number
DE3125715A1
DE3125715A1 DE19813125715 DE3125715A DE3125715A1 DE 3125715 A1 DE3125715 A1 DE 3125715A1 DE 19813125715 DE19813125715 DE 19813125715 DE 3125715 A DE3125715 A DE 3125715A DE 3125715 A1 DE3125715 A1 DE 3125715A1
Authority
DE
Germany
Prior art keywords
emulsion
substrate
silver
material according
light
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.)
Granted
Application number
DE19813125715
Other languages
German (de)
English (en)
Other versions
DE3125715C2 (enrdf_load_stackoverflow
Inventor
Jerome Los Altos Hills Calif. Drexler
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.)
Drexler Technology Corp
Original Assignee
Drexler Technology Corp
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 Drexler Technology Corp filed Critical Drexler Technology Corp
Publication of DE3125715A1 publication Critical patent/DE3125715A1/de
Application granted granted Critical
Publication of DE3125715C2 publication Critical patent/DE3125715C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/46—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein having more than one photosensitive layer
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
DE19813125715 1980-07-21 1981-06-30 Doppelseitiges photographisches silberhalogenidmaterial Granted DE3125715A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17080280A 1980-07-21 1980-07-21

Publications (2)

Publication Number Publication Date
DE3125715A1 true DE3125715A1 (de) 1982-02-25
DE3125715C2 DE3125715C2 (enrdf_load_stackoverflow) 1987-12-03

Family

ID=22621316

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813125715 Granted DE3125715A1 (de) 1980-07-21 1981-06-30 Doppelseitiges photographisches silberhalogenidmaterial

Country Status (5)

Country Link
JP (1) JPS5941878B2 (enrdf_load_stackoverflow)
BE (1) BE889440A (enrdf_load_stackoverflow)
DE (1) DE3125715A1 (enrdf_load_stackoverflow)
FR (1) FR2487089A1 (enrdf_load_stackoverflow)
GB (1) GB2081461B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8610191D0 (en) * 1986-04-25 1986-05-29 Ciba Geigy Ag Holograms
IT1222105B (it) * 1986-09-11 1990-08-31 Drexler Tech Scheda per dati ottici,a sola lettura

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE106576C (enrdf_load_stackoverflow) *
DE656255C (de) * 1933-05-07 1938-02-01 Heinrich Kuehn Beidseitig beschichteter photographischer Film
DE3002911A1 (de) * 1979-02-14 1980-09-04 Drexler Tech Datentraeger und verfahren zu seiner herstellung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE469826C (de) * 1926-06-07 1931-06-06 Mimosa Akt Ges Photographisches Filmmaterial zur Herstellung von Aufsichts- und Durchsichtskopien in einem Bild
BE476329A (fr) * 1946-08-13 1947-10-31 V Barra Procédé rendant infalsifiables les photographies et écritures sur tous documents d'identité ou autres
GB1493111A (en) * 1974-02-19 1977-11-23 Agfa Gevaert Production of photomasks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE106576C (enrdf_load_stackoverflow) *
DE656255C (de) * 1933-05-07 1938-02-01 Heinrich Kuehn Beidseitig beschichteter photographischer Film
DE3002911A1 (de) * 1979-02-14 1980-09-04 Drexler Tech Datentraeger und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
FR2487089A1 (fr) 1982-01-22
DE3125715C2 (enrdf_load_stackoverflow) 1987-12-03
JPS5941878B2 (ja) 1984-10-11
JPS5746240A (en) 1982-03-16
GB2081461A (en) 1982-02-17
GB2081461B (en) 1984-03-07
BE889440A (fr) 1981-10-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: G03C 1/46

8128 New person/name/address of the agent

Representative=s name: BERNHARDT, K., DIPL.-ING., PAT.-ANW., 8000 MUENCHE

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee