FR2189813B1 - - Google Patents

Info

Publication number
FR2189813B1
FR2189813B1 FR7222796A FR7222796A FR2189813B1 FR 2189813 B1 FR2189813 B1 FR 2189813B1 FR 7222796 A FR7222796 A FR 7222796A FR 7222796 A FR7222796 A FR 7222796A FR 2189813 B1 FR2189813 B1 FR 2189813B1
Authority
FR
France
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
FR7222796A
Other languages
French (fr)
Other versions
FR2189813A1 (nl
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7222796A priority Critical patent/FR2189813B1/fr
Publication of FR2189813A1 publication Critical patent/FR2189813A1/fr
Application granted granted Critical
Publication of FR2189813B1 publication Critical patent/FR2189813B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/041—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using photochromic storage elements
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/12—Halides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR7222796A 1972-06-23 1972-06-23 Expired FR2189813B1 (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7222796A FR2189813B1 (nl) 1972-06-23 1972-06-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7222796A FR2189813B1 (nl) 1972-06-23 1972-06-23

Publications (2)

Publication Number Publication Date
FR2189813A1 FR2189813A1 (nl) 1974-01-25
FR2189813B1 true FR2189813B1 (nl) 1975-04-11

Family

ID=9100712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7222796A Expired FR2189813B1 (nl) 1972-06-23 1972-06-23

Country Status (1)

Country Link
FR (1) FR2189813B1 (nl)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417381A (en) * 1965-06-21 1968-12-17 Ibm Apparatus for writing information in memory by light

Also Published As

Publication number Publication date
FR2189813A1 (nl) 1974-01-25

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Legal Events

Date Code Title Description
ST Notification of lapse