GB1476485A - Sapphire material - Google Patents

Sapphire material

Info

Publication number
GB1476485A
GB1476485A GB3561474A GB3561474A GB1476485A GB 1476485 A GB1476485 A GB 1476485A GB 3561474 A GB3561474 A GB 3561474A GB 3561474 A GB3561474 A GB 3561474A GB 1476485 A GB1476485 A GB 1476485A
Authority
GB
United Kingdom
Prior art keywords
foreign
sapphire
angstroms
atoms
aug
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.)
Expired
Application number
GB3561474A
Other languages
English (en)
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP9111273A external-priority patent/JPS5121767B2/ja
Priority claimed from JP12954673A external-priority patent/JPS5317401B2/ja
Priority claimed from JP2752974A external-priority patent/JPS50120801A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1476485A publication Critical patent/GB1476485A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/0027—Ion-implantation, ion-irradiation or ion-injection
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Sliding-Contact Bearings (AREA)
GB3561474A 1973-08-13 1974-08-13 Sapphire material Expired GB1476485A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9111273A JPS5121767B2 (enExample) 1973-08-13 1973-08-13
JP12954673A JPS5317401B2 (enExample) 1973-11-17 1973-11-17
JP2752974A JPS50120801A (enExample) 1974-03-08 1974-03-08

Publications (1)

Publication Number Publication Date
GB1476485A true GB1476485A (en) 1977-06-16

Family

ID=27285830

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3561474A Expired GB1476485A (en) 1973-08-13 1974-08-13 Sapphire material

Country Status (5)

Country Link
DE (1) DE2437821B2 (enExample)
FR (1) FR2245402B1 (enExample)
GB (1) GB1476485A (enExample)
IT (1) IT1018906B (enExample)
NL (1) NL7410842A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2674244B1 (fr) * 1991-03-21 1993-05-28 Commissariat Energie Atomique Procede de preparation de corps en ceramique exempts d'auto-adhesion sous contrainte ou en cours de vieillissement.

Also Published As

Publication number Publication date
DE2437821A1 (de) 1975-03-06
FR2245402A1 (enExample) 1975-04-25
FR2245402B1 (enExample) 1980-08-01
DE2437821B2 (de) 1978-10-19
NL7410842A (nl) 1975-02-17
IT1018906B (it) 1977-10-20
DE2437821C3 (enExample) 1979-06-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920813