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Process for making a reflective data storage medium 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G03C-001/76
  • G02B-027/22
  • G03C-001/48
  • G03C-005/24
출원번호 US-0072908 (1979-09-06)
발명자 / 주소
  • Drexler Jerome (Los Altos Hills CA) Bouldin Eric W. (Woodside CA)
출원인 / 주소
  • Drexler Technology Corporation (Mountain View CA 02)
인용정보 피인용 횟수 : 29  인용 특허 : 0

초록

A method for making a reflective data storage medium by creating a volume concentration gradient of silver precipitating nuclei on one surface of a silver halide emulsion coated photoplate. This volume concentration is then built up by a silver diffusion transfer negative development using primarily

대표청구항

A method of making a reflective electrically non-conducting data storage medium comprising, forming an areawise, latent image exposure in a photosensitive silver-halide emulsion layer disposed on a substrate, thereby defining an area for data storage, said exposure creating an areawise layer of silv

이 특허를 인용한 특허 (29)

  1. Drexler Jerome, Anti-counterfeit validation method for electronic cash cards employing an optical memory stripe.
  2. Takahashi Shunzo (Tokyo JPX) Hamasaki Yukio (Tokyo JPX) Hashimoto Akiyoshi (Tokyo JPX) Suzuki Hidefumi (Tokyo JPX), Apparatus for controlling movement of an optical memory card for data transfer therewith.
  3. Takahashi Shunzo (Tokyo JPX) Hamasaki Yukio (Tokyo JPX) Hashimoto Akiyoshi (Tokyo JPX) Suzuki Hidefumi (Tokyo JPX), Apparatus for controlling movement of an optical memory card for data transfer therewith.
  4. Kimura Fumio (Tokyo JPX), Binary encoding method for data read from optical record and device therefor.
  5. Finn Charles A. (26762 SW. 124 Ct. Naranja FL 33032), Computer system which accesses operating system information and command handlers from optical storage via an auxiliary p.
  6. Bouldin Eric W. (Atherton CA) Drexler Jerome (Los Altos Hills CA), Data recording system for optical memory tape.
  7. Bouldin Eric W. (Atherton CA) Drexler Jerome (Los Altos Hills CA), High contrast optical memory tape.
  8. Haddock, Richard M., Hybrid card contact actuator system and method.
  9. Kimura Fumio (Tokyo JPX), Method and apparatus for correcting angular deviation of optical recording medium.
  10. Kimura Fumio (Tokyo JPX), Method and apparatus for detecting focussing position deviation of read/write apparatus in an optical recording medium.
  11. Drexler Jerome, Method and system for laser writing microscopic data spots on cards and labels readable with a CCD array.
  12. Drexler Jerome, Method and system for laser writing on smart/optical cards data pixels usable in e-commerce transactions.
  13. Bove, John M., Method for creating a fingerprint image on an optical memory card.
  14. Jerome Drexler, Method for laser writing multiple updatable miniature 2-D barcode data bases for electronic commerce.
  15. Drexler, Jerome, Method for making a laser recordable wallet-size plastic card.
  16. Takagami Yuji,JPX ; Ishiguro Hideaki,JPX ; Hyodo Kenji,JPX, Method for making lithographic printing plate.
  17. Haddock,Richard M., Method of making secure personal data card.
  18. Bouldin Eric W. (Atherton CA) Drexler Jerome (Los Altos Hills CA), Optical memory card with versatile storage medium.
  19. Ando Hideo (Hino JPX), Optical memory device and system.
  20. Ritchie Ian T. (Santa Monica CA), Optical recording coating.
  21. Hayashi Yoshio (Shizuoka-ken JPX) Ogawa Shuichiro (Shizuoka-ken JPX) Iwata Junichi (Shizuoka-ken JPX), Optical recording materials, method for preparing the same and optical cards having the same.
  22. Takahashi Shunzo (Tokyo JPX) Nishioka Masaaki (Tokyo JPX), Optical recording medium.
  23. Horie Kiyoshi (Tokyo JPX), Optical recording medium with track and track number guides.
  24. Suzuki Hidefumi (Tokyo JPX), Optical recording system with optical recording medium having multilevel recording surface for tracking.
  25. Bouldin Eric W. (Atherton CA), Reflective optical data storage and laser recording medium.
  26. Yamada Noboru (Hirakata JPX) Ohno Eiji (Neyagawa JPX) Kimura Kunio (Hirakata JPX), Reversible optical information recording medium.
  27. Drexler Jerome (Los Altos Hills CA), System for optically reading and annotating text on a data card.
  28. Drexler Jerome, Validation method for electronic cash cards and digital identity cards utilizing optical data storage.
  29. Suzuki Hidefumi (Tokyo JPX), Write-once data writing system for optical recording medium.
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