FR920218A - Perfectionnements aux cristaux piezo-électriques - Google Patents

Perfectionnements aux cristaux piezo-électriques

Info

Publication number
FR920218A
FR920218A FR920218DA FR920218A FR 920218 A FR920218 A FR 920218A FR 920218D A FR920218D A FR 920218DA FR 920218 A FR920218 A FR 920218A
Authority
FR
France
Prior art keywords
refinements
piezoelectric crystal
piezoelectric
crystal
crystal refinements
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
Other languages
English (en)
Inventor
Walter Irving Cronan
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR920218A publication Critical patent/FR920218A/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/065Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of thin, brittle parts, e.g. semiconductors, wafers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
FR920218D 1946-01-05 1946-01-05 Perfectionnements aux cristaux piezo-électriques Expired FR920218A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920218T 1946-01-05

Publications (1)

Publication Number Publication Date
FR920218A true FR920218A (fr) 1947-04-01

Family

ID=9427018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920218D Expired FR920218A (fr) 1946-01-05 1946-01-05 Perfectionnements aux cristaux piezo-électriques

Country Status (1)

Country Link
FR (1) FR920218A (fr)

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