US5329514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information processing apparatus, and electrode substrate and information recording medium used in the apparatus
Assignee: Canon Inc
•
Filing: 1992-07-27
•
Granted: 1994-07-12
•
Expires: 2012-07-27
Abstract
Abstract An electrode substrate includes a substrate and an electrode layer of a noble metal crystal formed on the substrate, the noble metal crystal exhibiting a substantially linear domain boundary and a plane orientation dispersion angle in X-ray analysis of 1° or less. An information recording medium includes an electrode substrate as described above and a recording layer provided on the electrode layer. An information processing apparatus includes: an information recording medium as described above; a probe electrode arranged in close proximity to this medium; and a voltage applying circuit for applying a pulse/bias voltage between the medium and the probe electrode, information being written/read onto/from the medium by the application of the pulse/bias voltage. An information processing method includes the steps of: preparing an information recording medium as described above; arranging a probe electrode in close proximity to the medium; and applying a pulse/bias voltage between the medium and the probe electrode so as to write/read information onto/from the medium.
Inventors
- 👤 Ken Eguchi
- 👤 Haruki Kawada
- 👤 Kiyoshi Takimoto
- 👤 Toshihiko Takeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:34
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/0002; G11C13/0009; G11C13/0014; B; B82; B82Y; B82Y10/00; C; C30; C30B; C30B29/00; C30B29/02; C30B7/00; C30B7/005; G11B; G11B9/00; G11B9/12; G11B9/14; G11B9/1463; G11B9/1472
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
58 words
An electrode substrate comprising a substrate and at least one noble metal planar crystal formed on said substrate as an electrode layer wherein said noble metal planar crystal is made of a single crystal having an electrode surface forming at least a facet of (111) plane orientation and a boundary of said single crystal surface is substantially linear.
Claim 2
Dependent Claim
58 words
An electrode substrate comprising a substrate and at least one noble metal planar crystal formed on said substrate as an electrode layer wherein said noble metal planar crystal is made of a single crystal having an electrode surface forming at least a facet of (111) plane orientation and a boundary of said single crystal surface is substantially linear.
Claim 3
Dependent Claim
35 words
An electrode substrate according to claim 1, wherein said substrate comprises a noble metal electrode thin film made of said planar crystal having a plane orientation dispersion angle measuring 1° or less by ray analysis.
Claim 4
Dependent Claim
20 words
An electrode substrate according to claim 1, wherein said noble metal crystal has an aspect ratio of at least 10.
Claim 5
Dependent Claim
23 words
An electrode substrate according to claim 1, wherein said substrate comprises a conductive substrate and an insulating layer formed on said conductive substrate.
Claim 6
Dependent Claim
36 words
An electrode substrate according to claim 4, wherein said insulating layer has a through-hole communicating with said conductive substrate, wherein said noble metal crystal is produced by crystal growth from said conductive substrate through said through-hole.
Claim 7
Dependent Claim
29 words
An electrode substrate according to claim 1 or 2, wherein said planar crystal has a crystal surface exhibiting a plane-orientation dispersion angle of no more than about 0.6° .
Claim 8
Dependent Claim
28 words
An electrode substrate according to claim 1, wherein a maximum surface irregularity in an in-plane area of 1μm×1μm of said electrode layer is not more than about 1nm.
Claim 9
Dependent Claim
21 words
An electrode substrate according to one of claims 1-5 employed in a recording medium, said electrode layer being a recording layer.
Claim 10
Dependent Claim
67 words
An information recording medium comprising a substrate, at least one noble metal planar crystal formed on said substrate, as an electrode layer and a recording layer provided on said electrode layer, wherein said noble metal planar crystal is made of a single crystal having an electrode surface forming at least a facet of (111) plane orientation and a boundary of said single crystal surface is substantially linear.
Claim 11
Dependent Claim
67 words
An information recording medium comprising a substrate, at least one noble metal planar crystal formed on said substrate, as an electrode layer and a recording layer provided on said electrode layer, wherein said noble metal planar crystal is made of a single crystal having an electrode surface forming at least a facet of (111) plane orientation and a boundary of said single crystal surface is substantially linear.
Claim 12
Dependent Claim
36 words
An information recording medium according to claim 9, wherein said substrate comprises a noble metal electrode thin film made of said planar crystal having a plane orientation dispersion angle measuring 1° or less by X-ray analysis.
Claim 13
Dependent Claim
21 words
An information recording medium according to claim 9, wherein said noble metal crystal has an aspect ratio of at least 10.
Claim 14
Dependent Claim
25 words
An information recording medium according to claim 9, wherein said said substrate comprises a conductive substrate and a insulating layer formed on said conductive substrate.
Claim 15
Dependent Claim
37 words
An information recording medium according to claim 12, wherein said insulating layer has a through-hole communicating with said conductive substrate, wherein said noble metal crystal is produced by crystal growth from said conductive substrate through said through-hole.
Claim 16
Dependent Claim
28 words
An information recording medium according to claim 9, wherein said planar crystal has a crystal surface exhibiting a plane-orientation dispersion angle of no more than about 0.6° .
Claim 17
Dependent Claim
29 words
An information recording medium according to claim 9, wherein a maximum surface irregularity in an in-plane area of 1μm×1μm of said electrode layer is not more than about 1nm.
Claim 18
Dependent Claim
25 words
An information recording medium according to claim 9, wherein said recording layer comprises at least one layer of a monomolecular film of an organic compound.
Claim 19
Dependent Claim
23 words
An information recording medium according to claim 9, wherein said recording layer has a thickness of between about 5 to about 300 Å.
Claim 20
Dependent Claim
19 words
An information recording medium according to claim 9, wherein said recording layer records information as changes in physical conditions.
Claim 21
Dependent Claim
16 words
An information recording medium according to claim 9, wherein said recording layer has a memory effect.
Claim 22
Dependent Claim
12 words
An information recording medium according to claim 9, further comprising a track.
Claim 23
Dependent Claim
149 words
An information processing apparatus comprising: an information recording medium, said information recording medium comprising a substrate, at least one noble metal planar crystal formed on said substrate, as an electrode layer, and a recording layer provided on said electrode layer, wherein said noble metal planar crystal is made of a single crystal having an electrode surface forming at least a facet of (111) plane orientation and a boundary of said single crystal surface is substantially linear; a probe electrode disposed in close proximity to said medium; a first voltage applying circuit for applying a pulse voltage between said medium and said probe electrode; a second voltage applying circuit for applying a bias voltage between said medium and said probe electrode; wherein information is written onto said medium by an application of said pulse voltage and said information is readable from said medium by an application of said bias voltage.
Claim 24
Dependent Claim
149 words
An information processing apparatus comprising: an information recording medium, said information recording medium comprising a substrate, at least one noble metal planar crystal formed on said substrate, as an electrode layer, and a recording layer provided on said electrode layer, wherein said noble metal planar crystal is made of a single crystal having an electrode surface forming at least a facet of (111) plane orientation and a boundary of said single crystal surface is substantially linear; a probe electrode disposed in close proximity to said medium; a first voltage applying circuit for applying a pulse voltage between said medium and said probe electrode; a second voltage applying circuit for applying a bias voltage between said medium and said probe electrode; wherein information is written onto said medium by an application of said pulse voltage and said information is readable from said medium by an application of said bias voltage.
Claim 25
Dependent Claim
25 words
An information recording medium according to claim 21, wherein said recording layer comprises at least one layer of a monomolecular film of an organic compound.
Claim 26
Dependent Claim
23 words
An information processing apparatus according to claim 21, wherein said recording layer has a thickness of between about 5 to about 300 Å.
Claim 27
Dependent Claim
22 words
An information processing apparatus according to claim 21, wherein said information is written on said recording layer in accordance with physical conditions.
Claim 28
Dependent Claim
15 words
An information processing apparatus according to claim 21, wherein said recording layer has memory effect.
Claim 29
Dependent Claim
12 words
An information processing apparatus according to claim 21, further comprising a track.
Claim 30
Dependent Claim
136 words
An information processing apparatus comprising: an information recording medium, said information recording medium comprising a substrate, an electrode layer of a noble metal crystal joined on said substrate, and a recording layer provided on said electrode layer, said noble metal crystal exhibiting a substantially linear domain boundary and a plane orientation dispersion angle measured by X-ray analysis of no more than about 1°; a probe electrode disposed in close proximity to said medium; a first voltage applying circuit for applying a pulse voltage between said medium and said probe electrode; a second voltage applying circuit for applying a bias voltage between said medium and said probe electrode; wherein information is written onto said medium by an application of said pulse voltage and said information is readable from said medium by an application of said bias voltage.
Claim 31
Dependent Claim
136 words
An information processing apparatus comprising: an information recording medium, said information recording medium comprising a substrate, an electrode layer of a noble metal crystal joined on said substrate, and a recording layer provided on said electrode layer, said noble metal crystal exhibiting a substantially linear domain boundary and a plane orientation dispersion angle measured by X-ray analysis of no more than about 1°; a probe electrode disposed in close proximity to said medium; a first voltage applying circuit for applying a pulse voltage between said medium and said probe electrode; a second voltage applying circuit for applying a bias voltage between said medium and said probe electrode; wherein information is written onto said medium by an application of said pulse voltage and said information is readable from said medium by an application of said bias voltage.
Claim 32
Dependent Claim
16 words
An information processing apparatus according to claim 21, further comprising a plurality of said probe electrodes.
Claim 33
Dependent Claim
174 words
An information processing method comprising the steps of: providing an information recording medium, comprising a substrate, at least one noble metal planar crystal formed on said substrate as an electrode layer and a recording layer provided on said electrode layer, wherein said noble planar metal crystal is made of a single crystal having an electrode surface forming at least a facet of (111) plane orientation and a boundary of said single crystal surface is substantially linear, said recording layer consisting of at least one layer of monomolecular film of an organic compound, wherein said recording layer has a thickness ranging from about 5 to about 300 Å, has a memory effect, and further comprises a track; arranging a probe electrode in close proximity to said medium; applying a pulse voltage between said medium and said probe electrode, thereby recording an information by imparting a perturbation to a surface of said medium by selectively generating disturbance; and applying a bias voltage between said medium and said probe electrode to read the information of said medium.
Claim 34
Dependent Claim
174 words
An information processing method comprising the steps of: providing an information recording medium, comprising a substrate, at least one noble metal planar crystal formed on said substrate as an electrode layer and a recording layer provided on said electrode layer, wherein said noble planar metal crystal is made of a single crystal having an electrode surface forming at least a facet of (111) plane orientation and a boundary of said single crystal surface is substantially linear, said recording layer consisting of at least one layer of monomolecular film of an organic compound, wherein said recording layer has a thickness ranging from about 5 to about 300 Å, has a memory effect, and further comprises a track; arranging a probe electrode in close proximity to said medium; applying a pulse voltage between said medium and said probe electrode, thereby recording an information by imparting a perturbation to a surface of said medium by selectively generating disturbance; and applying a bias voltage between said medium and said probe electrode to read the information of said medium.
Claim 35
Dependent Claim
57 words
An information processing method according to claim 29, further comprising the steps of: providing said information recording medium on which said information has been recorded beforehand; arranging a probe electrode in close proximity to said medium; and applying a bias voltage between said medium and said probe electrode so as to read the information from said medium.
Claim 36
Dependent Claim
36 words
An information processing apparatus according to claim 21, wherein said substrate comprises a noble metal electrode thin film made of said planar crystal having a plane orientation dispersion angle measuring 1° or less by X-ray analysis.
Claim 37
Dependent Claim
36 words
An information processing method according to claim 29, wherein said substrate comprises a noble metal electrode thin film made of said planar crystal having a plane orientation dispersion angle measuring 1° or less by X-ray analysis.
References Cited (Backward Citations)
US4575822A
Cited
JPS6180536A
Cited
JPS63161552A
Cited
JPS63161553A
Cited
EP0275881A2
Cited
US4868396A
Cited
EP0397073A2
Cited
US5206665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-07-11 | 1998-01-10 | 1998-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-11 | 2002-01-10 | 2002-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-11 | 2006-01-10 | 2006-07-12 | $7700.00 | Window Closed / Lapsed |