CH642476A5 - Prellfreie hubeinrichtung fuer halbleiterscheiben. - Google Patents
Prellfreie hubeinrichtung fuer halbleiterscheiben. Download PDFInfo
- Publication number
- CH642476A5 CH642476A5 CH504479A CH504479A CH642476A5 CH 642476 A5 CH642476 A5 CH 642476A5 CH 504479 A CH504479 A CH 504479A CH 504479 A CH504479 A CH 504479A CH 642476 A5 CH642476 A5 CH 642476A5
- Authority
- CH
- Switzerland
- Prior art keywords
- lifting device
- bounce
- free lifting
- armature
- free
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims description 4
- 230000005291 magnetic effect Effects 0.000 claims description 12
- 230000005294 ferromagnetic effect Effects 0.000 claims description 5
- 235000012431 wafers Nutrition 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/088—Electromagnets; Actuators including electromagnets with armatures provided with means for absorbing shocks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1638—Armatures not entering the winding
- H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
- H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Braking Arrangements (AREA)
- Machine Tool Units (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Chutes (AREA)
- Linear Motors (AREA)
- Advancing Webs (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Non-Mechanical Conveyors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD20572278A DD137037B1 (de) | 1978-06-01 | 1978-06-01 | Prellfreie hubeinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH642476A5 true CH642476A5 (de) | 1984-04-13 |
Family
ID=5512879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH504479A CH642476A5 (de) | 1978-06-01 | 1979-05-30 | Prellfreie hubeinrichtung fuer halbleiterscheiben. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4270109A (enExample) |
| JP (1) | JPS551198A (enExample) |
| BG (1) | BG32235A1 (enExample) |
| CH (1) | CH642476A5 (enExample) |
| CS (1) | CS222966B1 (enExample) |
| DD (1) | DD137037B1 (enExample) |
| DE (1) | DE2920907A1 (enExample) |
| FR (1) | FR2427171A1 (enExample) |
| GB (1) | GB2022322B (enExample) |
| HU (1) | HU182647B (enExample) |
| SE (1) | SE442464B (enExample) |
| SU (1) | SU1015448A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541272A1 (de) * | 1985-11-22 | 1987-05-27 | Thomson Brandt Gmbh | Magnetbandgeraet |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3132919A1 (de) * | 1980-12-09 | 1982-09-02 | VEB Zentrum für Forschung und Technologie Mikroelektronik, DDR 8080 Dresden | "stellantrieb" |
| JPH01205438A (ja) * | 1988-10-12 | 1989-08-17 | Hitachi Ltd | 磁気搬送装置 |
| US4975637A (en) * | 1989-12-29 | 1990-12-04 | International Business Machines Corporation | Method and apparatus for integrated circuit device testing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE638721C (de) * | 1936-11-21 | Adolf Hanning | Elektrischer Zug- und Druckmagnet | |
| DE1737087U (de) * | 1953-07-11 | 1957-01-03 | Magnetschultz Spezialfabrik Fu | Elektrobetaetigungsmagnet mit gedaempfter ankerbewegung. |
| DE1414815A1 (de) * | 1960-10-24 | 1968-10-03 | List Dipl Ing Heinrich | Polarisierter Doppelhubmagnet |
| CH452702A (de) * | 1965-12-24 | 1968-03-15 | Runtal Holding Co Sa | Betätigungseinrichtung mit einem Elektromagnet und beliebig einstellbarer hydraulischer Verzögerung |
| DE1614049B2 (de) * | 1967-03-31 | 1971-10-21 | Licentia Patent Verwaltungs GmbH, 6000 Frankfurt | Elektromagnet fuer schaltgeraete |
| DD101783A1 (enExample) * | 1972-12-20 | 1973-11-12 | ||
| US3936743A (en) * | 1974-03-05 | 1976-02-03 | Electroglas, Inc. | High speed precision chuck assembly |
| US3972505A (en) * | 1975-04-04 | 1976-08-03 | Skinner Precision Industries, Inc. | Control valve |
-
1978
- 1978-06-01 DD DD20572278A patent/DD137037B1/de not_active IP Right Cessation
-
1979
- 1979-05-15 US US06/039,568 patent/US4270109A/en not_active Expired - Lifetime
- 1979-05-16 CS CS793391A patent/CS222966B1/cs unknown
- 1979-05-16 SU SU797770575A patent/SU1015448A1/ru active
- 1979-05-18 BG BG7943640A patent/BG32235A1/xx unknown
- 1979-05-23 DE DE2920907A patent/DE2920907A1/de not_active Ceased
- 1979-05-30 CH CH504479A patent/CH642476A5/de not_active IP Right Cessation
- 1979-05-30 GB GB7918797A patent/GB2022322B/en not_active Expired
- 1979-05-31 FR FR7914075A patent/FR2427171A1/fr active Granted
- 1979-05-31 SE SE7904779A patent/SE442464B/sv not_active IP Right Cessation
- 1979-06-01 JP JP6757379A patent/JPS551198A/ja active Pending
- 1979-06-01 HU HU79EE2666A patent/HU182647B/hu unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541272A1 (de) * | 1985-11-22 | 1987-05-27 | Thomson Brandt Gmbh | Magnetbandgeraet |
Also Published As
| Publication number | Publication date |
|---|---|
| SU1015448A1 (ru) | 1983-04-30 |
| US4270109A (en) | 1981-05-26 |
| BG32235A1 (en) | 1982-06-15 |
| JPS551198A (en) | 1980-01-07 |
| SE7904779L (sv) | 1979-12-02 |
| GB2022322B (en) | 1982-11-10 |
| FR2427171A1 (fr) | 1979-12-28 |
| HU182647B (en) | 1984-02-28 |
| CS222966B1 (en) | 1983-08-26 |
| DD137037B1 (de) | 1980-07-23 |
| GB2022322A (en) | 1979-12-12 |
| FR2427171B3 (enExample) | 1982-05-07 |
| DD137037A1 (de) | 1979-08-08 |
| DE2920907A1 (de) | 1979-12-20 |
| SE442464B (sv) | 1985-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |