US5750264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic component and method for fabricating the same
Assignee: Panasonic Holdings Corp
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Filing: 1995-10-16
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Granted: 1998-05-12
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Expires: 2015-10-16
Abstract
Abstract The electronic component of the present invention includes: an element having an internal electrode therein; an external electrode formed on an end portion of the element where an end face of the internal electrode is exposed; and a protection layer formed on the entire surface of the element except for the end portion of the element, wherein the protection layer is made of a metal oxide.
Inventors
- 👤 Iwao Ueno
- 👤 Yasuo Wakahata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:34
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/47; H; H01; H01C; H01C7/00; H01C7/10; H01C1/00; H01C1/02; H01C1/024; H01C1/034; H01C1/14; H01C1/142; H01C17/00; H01C17/006; H01C17/02; H01C17/28; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3231; C04B2235/3251; C04B2235/3262; C04B2235/3267; C04B2235/34; C04B2235/3418; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49099
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
62 words
An electronic component comprising: an element having an internal electrode therein; an external electrode formed on an end portion of the element where an end face of the internal electrode is exposed; and a protection layer formed on the entire surface of the element except for the end portion of the element, wherein the protection layer is made of a metal oxide.
Claim 2
Dependent Claim
62 words
An electronic component comprising: an element having an internal electrode therein; an external electrode formed on an end portion of the element where an end face of the internal electrode is exposed; and a protection layer formed on the entire surface of the element except for the end portion of the element, wherein the protection layer is made of a metal oxide.
Claim 3
Dependent Claim
20 words
The electronic component according to claim 1, further comprising a glass layer formed on the surface of the protection layer.
Claim 4
Dependent Claim
15 words
The electronic component according to claim 1, wherein the metal oxide contains a vitreous substance.
Claim 5
Dependent Claim
39 words
The electronic component according to claim 1, wherein a material forming the metal oxide is selected from the group consisting of Ni, Cu and a metal compound containing at least one oxide of Si, Ti, Al, Mg, and Zr.
Claim 6
Dependent Claim
37 words
The electronic component according to claim 4, wherein the material forming the metal oxide is selected from the group consisting of Ni and Ni compound containing at least one oxide of Si, Ti, Al, Mg, and Zr.
Claim 7
Dependent Claim
17 words
The electronic component according to claim 1 further comprising a metal plating layer covering the external electrode.
Claim 8
Dependent Claim
29 words
The electronic component according to claim 6, wherein the metal plating layer has a two-layer structure composed of an inner metal plating layer and an outer metal plating layer.
Claim 9
Dependent Claim
14 words
The electronic component according to claim 2, wherein the glass layer comprises a filler.
Claim 10
Dependent Claim
47 words
The electronic component according to claim 8, wherein the filler is at least one selected from the group consisting of needle-like crystal of Al 2 O 3 , TiO 2 , ZnO, SIC, Si 3 N 4 , and SiO 2 , carbon fiber, and glass fiber.
Claim 11
Dependent Claim
36 words
The electronic component according to claim 8, wherein the glass layer further comprises a second filler containing at least one selected from the group consisting of Bi 2 O 3 and Sb 2 O 3 .
Claim 12
Dependent Claim
50 words
An electronic component comprising: an element; electrodes formed on a top surface and a bottom surface of the element; and a protection layer formed on the entire surface of the element except for portions where the electrodes have been formed, wherein the protection layer is made of a metal oxide.
Claim 13
Dependent Claim
50 words
An electronic component comprising: an element; electrodes formed on a top surface and a bottom surface of the element; and a protection layer formed on the entire surface of the element except for portions where the electrodes have been formed, wherein the protection layer is made of a metal oxide.
Claim 14
Dependent Claim
19 words
The electronic component according to claim 11, further comprising a glass layer on the surface of the protection layer.
Claim 15
Dependent Claim
15 words
The electronic component according to claim 11, wherein the metal oxide contains a vitreous substance.
Claim 16
Dependent Claim
87 words
An electronic component comprising: an element having an internal electrode therein; an external electrode formed on an end portion of the element where an end face of the internal electrode is exposed; and a protection layer formed on the entire surface of the element except for the end portion of the element, wherein the protection layer is made of a metal oxide and bonds to the surface of the element by a chemical reaction between a portion of the protection layer and the surface of the element.
Claim 17
Dependent Claim
87 words
An electronic component comprising: an element having an internal electrode therein; an external electrode formed on an end portion of the element where an end face of the internal electrode is exposed; and a protection layer formed on the entire surface of the element except for the end portion of the element, wherein the protection layer is made of a metal oxide and bonds to the surface of the element by a chemical reaction between a portion of the protection layer and the surface of the element.
Claim 18
Dependent Claim
39 words
The electronic component according to claim 14, wherein a material forming the metal oxide is selected from the group consisting of Ni, Cu and a metal compound containing at least one oxide of Si, Ti, Al, Mg, and Zr.
Claim 19
Dependent Claim
37 words
The electronic component according to claim 15, wherein the material forming the metal oxide is selected from the group consisting of Ni and Ni compound containing at least one oxide of Si, Ti, Al, Mg, and Zr.
Claim 20
Dependent Claim
17 words
The electronic component according to claim 14 further comprising a metal plating layer covering the external electrode.
Claim 21
Dependent Claim
29 words
The electronic component according to claim 17, wherein the metal plating layer has a two-layer structure composed of an inner metal plating layer and an outer metal plating layer.
Claim 22
Dependent Claim
20 words
The electronic component according to claim 14 further comprising a glass layer formed on the surface of the protection layer.
Claim 23
Dependent Claim
14 words
The electronic component according to claim 19, wherein the glass layer comprises a filler.
Claim 24
Dependent Claim
47 words
The electronic component according to claim 20, wherein the filler is at least one selected from the group consisting of needle-like crystal of Al 2 O 3 , TiO 2 , ZnO, SiC, Si 3 N 4 , and SiO 2 , carbon fiber, and glass fiber.
Claim 25
Dependent Claim
36 words
The electronic component according to claim 20, wherein the glass layer further comprises a second filler containing at least one selected from the group consisting of Bi 2 O 3 and Sb 2 O 3 .
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) | 2001-05-11 | 2001-11-10 | 2002-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-05-11 | 2005-11-10 | 2006-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-05-11 | 2009-11-10 | 2010-05-12 | $7700.00 | Window Closed / Lapsed |