FR920218A - Perfectionnements aux cristaux piezo-électriques - Google Patents
Perfectionnements aux cristaux piezo-électriquesInfo
- 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
Links
- 239000013078 crystal Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines 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
- B24B9/06—Machines 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
- B24B9/065—Machines 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)
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) |
-
1946
- 1946-01-05 FR FR920218D patent/FR920218A/fr not_active Expired
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