JPS6416695A - Optical card - Google Patents

Optical card

Info

Publication number
JPS6416695A
JPS6416695A JP62172913A JP17291387A JPS6416695A JP S6416695 A JPS6416695 A JP S6416695A JP 62172913 A JP62172913 A JP 62172913A JP 17291387 A JP17291387 A JP 17291387A JP S6416695 A JPS6416695 A JP S6416695A
Authority
JP
Japan
Prior art keywords
printed
less
pattern
prepared
auto
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.)
Pending
Application number
JP62172913A
Other languages
Japanese (ja)
Inventor
Hiroyuki Imataki
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP62172913A priority Critical patent/JPS6416695A/en
Publication of JPS6416695A publication Critical patent/JPS6416695A/en
Pending legal-status Critical Current

Links

Landscapes

  • Credit Cards Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PURPOSE: To prevent a vibration on reading the record and to reduce deviation in auto-tracking and auto-focusing by maintaining flatness at 30 μm or less of the printing surface for designed pattern prepared on the surface of the substrate. CONSTITUTION: The optical recording medium 5 is prepared over the guide groove 4 of the substrate 3 and prepare the adhesive layer 6 over the medium 5 to laminate a covering material 7 in order to protect the optical recording medium 5. The printing surface for designed patterns is prepared on another side and patterns 1 are printed to form the relief pattern 2. The height of relief pattern is defined by the thickness of printed ink to be normally 30 μm or less, desirably 20 μm or less. The transparent overcoat 8 is formed thickly enough to make flat the printed surface when the relief height of printed pattern 2 exceeds 30 μm.
JP62172913A 1987-07-13 1987-07-13 Optical card Pending JPS6416695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62172913A JPS6416695A (en) 1987-07-13 1987-07-13 Optical card

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62172913A JPS6416695A (en) 1987-07-13 1987-07-13 Optical card

Publications (1)

Publication Number Publication Date
JPS6416695A true JPS6416695A (en) 1989-01-20

Family

ID=15950667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62172913A Pending JPS6416695A (en) 1987-07-13 1987-07-13 Optical card

Country Status (1)

Country Link
JP (1) JPS6416695A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61210544A (en) * 1985-03-15 1986-09-18 Dainippon Printing Co Ltd Optical card
JPS61278057A (en) * 1985-05-31 1986-12-08 Toshiba Corp Optical card

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61210544A (en) * 1985-03-15 1986-09-18 Dainippon Printing Co Ltd Optical card
JPS61278057A (en) * 1985-05-31 1986-12-08 Toshiba Corp Optical card

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