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Method of fabrication of a protected optical disk and a disk obtained by said method 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G11B-007/26
출원번호 US-0488710 (1983-04-26)
우선권정보 FR-0007251 (1982-04-27)
발명자 / 주소
  • Lange Francois (Paris FRX)
출원인 / 주소
  • Thomson-CSF (Paris FRX 03)
인용정보 피인용 횟수 : 23  인용 특허 : 5

초록

A protected optical disk for recording information is fabricated by a method whereby at least one cover is rigidly fixed by a welding to an optical disk having at least one layer of recording material which can be both written and read optically. At least two joints are thus formed by welding, each

대표청구항

A protected optical disk comprising a protective casing of thermoplastic material, annular optically recordable structure enclosed in said casing; said casing being made of at least first and a second disk shaped member delimiting an annular chamber and assembled to each other with welded circular j

이 특허에 인용된 특허 (5)

  1. Takaoka Takashi (Yokohama JPX) Mochizuki Masahiko (Yokohama JPX) Yamashita Mitsuo (Yokohama JPX) Miura Tadao (Yokohama JPX), Method for manufacturing an optical disc.
  2. Shropshire Joseph A. (Westfield NJ) Tsien Hsue C. (Livingston NJ), Method of making bipolar carbon-plastic electrode structure-containing multicell electrochemical device.
  3. Geyer Frederick F. (Rochester NY) Leonard Eric M. (Rochester NY), Optical disc unit, fabrication method and cooperating write and/or read apparatus.
  4. Maffitt Kent N. (Minneapolis MN) Robbins William B. (Maplewood MN) Willson Richard F. (Hudson WI), Protuberant optical recording medium.
  5. Balas ; Jr. ; Charles ; Lou ; David Y. K. ; Kenney ; II ; George C., Radiation-sensitive record with protected sensitive surface.

이 특허를 인용한 특허 (23)

  1. Lyons Crawford ; Semersky Frank E., Blow-molded plastic container with permanently attached separate handle.
  2. John W. Gizowski ; Markus Beer DE; J. Thomas Schriempf, Fluid filter manufacturing apparatus.
  3. Masuda Toshiyuki (Shizuoka JPX), Information recording medium.
  4. Medal James, Method and apparatus for securing one plastic member to another plastic member.
  5. Medal James, Method and insert for connecting components to plastic members.
  6. Medal James (Cape Coral FL), Method and insert for connecting components to plastic members.
  7. Rey, Alain-Marcel; Deguet, Chrystel; Frey, Laurent; Tardif, Francois, Method for producing micron-resolution coloured images embedded in a very robust, very durable medium.
  8. Kadowaki Akira (Mobara JPX) Itoh Shigeo (Mobara JPX) Kogure Youich (Mobara JPX) Tonegawa Takeshi (Mobara JPX), Method for sealedly forming envelope.
  9. Gizowski John W. ; Beer Markus,DEX ; Schriempf J. Thomas, Method of laser welding transmission filter housing components.
  10. Wouters Henricus H. B. (Eindhoven NLX) van Dommelen Joannes H. J. (Eindhoven NLX), Method of manufacturing an optically readable disc record and disc record manufactured in accordance with the method.
  11. Clarke John E. ; Masterson Vince Joseph ; Zhu Ningsheng, Methods and apparatus for producing ultrasonic weld joints for injection molded plastic parts.
  12. Savoyet, Jean Louis; Savoyet, Julien; Savoyet, Remy, Methods and means for constituting graphical data, and for protecting use of such data, and modes of reading and storing such data.
  13. Takahashi Kenji (Miyagi JPX), Optical disk.
  14. Lyons Crawford ; Semersky Frank E. ; Diller Robert L. ; Tobias John W., Plastic container and non-integral handle.
  15. Todo Akira (Ichihara JPX) Kimura Toshio (Ichihara JPX) Kurisu Masayoshi (Ichihara JPX), Process for producing information recording discs.
  16. Todo Akira (Ichihara JPX) Kimura Toshio (Ichihara JPX) Minoda Takeshi (Ichihara JPX) Kurisu Masayoshi (Ichihara JPX), Process for producing information recording discs.
  17. Masuda Toshiyuki (Fujinomiya JPX), Process for producing information recording medium.
  18. Lange Francois (Antony FRX), Protected optical disk of welded construction.
  19. John W. Gizowski ; Markus Beer DE; J. Thomas Schriempf, Transmission filter with laser welded housing components.
  20. Medal James, Ultrasonic energy directing attachment of plastic parts to one another.
  21. Medal James, Ultrasonic energy directing attachment of plastic parts to one another.
  22. Sager Thomas B. (Newtown CT), Ultrasonic welding of thermoplastic workpieces.
  23. Sugiyama Toshinori (Tsukuba JPX) Shimizu Mitsuru (Torite JPX), Ventilation arrangement for use in an optical recording disc.
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