Patent US3240934A successfully refreshed from Google Patents.
US3240934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Specimen holding device with means to tilt, rotate and shift the specimen
Assignee: Jeol Ltd
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Filing: 1963-02-13
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Granted: 1966-03-15
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Expires: 1983-02-13
Abstract
No abstract record available.
Inventors
- 👤 Watanabe Masaru
- 👤 Nagahama Yoriaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:41
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A SPECIMEN HOLDING DEVICE FOR AN ELECTRON BEAM APPARATUS HAVING AN OPTICAL COMPRISING: (A) A STAGE HAVING (1) AN OPENING THROUGH WHICH ELECTRON BEAMS PASS ALONG SAID OPTICAL AXIS, AND (2) PORTIONS EXTENDING DOWNWARDLY FROM SAID OPENING IN THE DIRECTION OF PASSAGE OF SAID BEAMS THROUGH THE OPENING, (B) AN ELONGATED HOLLOW CARTRIDGE THROUGH WHICH ELECTRON BEAMS PASS (1) EXTENDING THROUGH SAID OPENING AND DOWNWARDLY EXTENDING PORTIONS OF THE STAGE, AND (2) HAVING PIVOT ADJACENT ITS LOWER END FOR MOUNTING SAID CARTRIDGE ON SAID DOWNWARDLY EXTENDING PORTIONS OF THE STAGE FOR TILTING ABOUT AN AXIS TRANSVERSE TO SAID OPTICAL AXIS, (C) A FIRST MOUNTING PLATE, (1) SEATED ON THE UPPER END OF THE CARTRIDGE, (2) ROTATBLE ON THE CARTRIDGE ABOUT A CENTRAL AXIS PARALLEL TO THE OPTICAL AXIS, AND (3) HAVING A CENTRAL OPENING THROUGH WHICH ELECTRON BEAMS PASS, (D) A SECOND MOUNTING PLATE (1) SEAT ON SAID FIRST MOUNTING PLATE,
Claim 2
Dependent Claim
151 words
A SPECIMEN HOLDING DEVICE FOR AN ELECTRON BEAM APPARATUS HAVING AN OPTICAL COMPRISING: (A) A STAGE HAVING (1) AN OPENING THROUGH WHICH ELECTRON BEAMS PASS ALONG SAID OPTICAL AXIS, AND (2) PORTIONS EXTENDING DOWNWARDLY FROM SAID OPENING IN THE DIRECTION OF PASSAGE OF SAID BEAMS THROUGH THE OPENING, (B) AN ELONGATED HOLLOW CARTRIDGE THROUGH WHICH ELECTRON BEAMS PASS (1) EXTENDING THROUGH SAID OPENING AND DOWNWARDLY EXTENDING PORTIONS OF THE STAGE, AND (2) HAVING PIVOT ADJACENT ITS LOWER END FOR MOUNTING SAID CARTRIDGE ON SAID DOWNWARDLY EXTENDING PORTIONS OF THE STAGE FOR TILTING ABOUT AN AXIS TRANSVERSE TO SAID OPTICAL AXIS, (C) A FIRST MOUNTING PLATE, (1) SEATED ON THE UPPER END OF THE CARTRIDGE, (2) ROTATBLE ON THE CARTRIDGE ABOUT A CENTRAL AXIS PARALLEL TO THE OPTICAL AXIS, AND (3) HAVING A CENTRAL OPENING THROUGH WHICH ELECTRON BEAMS PASS, (D) A SECOND MOUNTING PLATE (1) SEAT ON SAID FIRST MOUNTING PLATE,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |