FR2070621A5 - - Google Patents
Info
- Publication number
- FR2070621A5 FR2070621A5 FR6942835A FR6942835A FR2070621A5 FR 2070621 A5 FR2070621 A5 FR 2070621A5 FR 6942835 A FR6942835 A FR 6942835A FR 6942835 A FR6942835 A FR 6942835A FR 2070621 A5 FR2070621 A5 FR 2070621A5
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
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- 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/08—Portable grinding machines designed for fastening on workpieces or other parts of particular section, e.g. for grinding commutators
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6942835A FR2070621A5 (en) | 1969-12-11 | 1969-12-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6942835A FR2070621A5 (en) | 1969-12-11 | 1969-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2070621A5 true FR2070621A5 (en) | 1971-09-10 |
Family
ID=9044410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6942835A Expired FR2070621A5 (en) | 1969-12-11 | 1969-12-11 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2070621A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0039209A1 (en) * | 1980-04-24 | 1981-11-04 | Fujitsu Limited | Machine for grinding thin plates such as semiconductor wafers |
-
1969
- 1969-12-11 FR FR6942835A patent/FR2070621A5/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0039209A1 (en) * | 1980-04-24 | 1981-11-04 | Fujitsu Limited | Machine for grinding thin plates such as semiconductor wafers |
US4481738A (en) * | 1980-04-24 | 1984-11-13 | Fujitsu Limited | Grinding machine |
US4583325A (en) * | 1980-04-24 | 1986-04-22 | Fujitsu Limited | Grinding machine |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |