US4668527A
Expired / Lapsed
US
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Method for amorphizing a material by means of injection of exotic atoms into a solid with electron beams
Assignee: The University of Osaka
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Filing: 1985-09-16
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Granted: 1987-05-26
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Expires: 2005-09-16
Abstract
Abstract A method for amorphizing a material comprises attaching a thin film consisting of exotic atoms to a parent material, irradiating the two layer material under given conditions of irradiation from the side of the thin film with electron beams, and injecting forcibly the exotic atoms into the parent material to change the material into an amorphous material. This method can produce amorphous materials having new functions.
Inventors
- 👤 Hiroshi Fujita
- 👤 Naoto Sumida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:05
CPC Classifications
C; C23; C23C; C23C8/00; C23C8/06; C23C8/08; C23C8/10; C23C10/00; C23C10/28; C23C12/00; C23C12/02; C23C14/00; C23C14/22; C23C14/48; C23C26/00; C23C8/60; H; H10; H10P; H10P95/00; H10P95/90
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
159 words
A method for amorphizing a material by means of injection of exotic atoms into a parent material using an electron beam, the method comprising: providing a structure consisting of a crystalline parent material and a thin film comprised of at least one type of exotic atom provided on one surface of said crystalline parent material; irradiating a predetermined region of said structure under given conditions of irradiation with an electron beam directed toward said thin film to cause injection by forcible displacement of at least one type of said at least one type of exotic atoms from said thin film into said crystalline parent material to provide a zone of mixed atoms in the irradiated region, which zone of mixed atoms is amorphous, said electron beam having an intensity of 10 18 e/cm 2 ·sec or more under an acceleration of 200 KV or more, and said irradiation taking place at an irradiation temperature of 100° C. or less.
Claim 2
Independent Claim
159 words
A method for amorphizing a material by means of injection of exotic atoms into a parent material using an electron beam, the method comprising: providing a structure consisting of a crystalline parent material and a thin film comprised of at least one type of exotic atom provided on one surface of said crystalline parent material; irradiating a predetermined region of said structure under given conditions of irradiation with an electron beam directed toward said thin film to cause injection by forcible displacement of at least one type of said at least one type of exotic atoms from said thin film into said crystalline parent material to provide a zone of mixed atoms in the irradiated region, which zone of mixed atoms is amorphous, said electron beam having an intensity of 10 18 e/cm 2 ·sec or more under an acceleration of 200 KV or more, and said irradiation taking place at an irradiation temperature of 100° C. or less.
Claim 3
Dependent Claim
24 words
The method of claim 1, wherein said at least one type of exotic atom is Au and wherein said crystalline parent material is Si.
References Cited (Backward Citations)
US2911533A
Cited
US3718502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-25 | 1990-11-24 | 1991-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-25 | 1994-11-24 | 1995-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-25 | 1998-11-24 | 1999-05-26 | $7700.00 | Window Closed / Lapsed |