Patent US4924077A successfully refreshed from Google Patents.
US4924077A
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US
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Memory card
Assignee: Mitsubishi Electric Corp
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Filing: 1988-02-10
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Granted: 1990-05-08
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Expires: 2008-02-10
Abstract
Abstract A memory card having: a card-like package; a semiconductor module disposed within the package; a plurality of electrode terminals mounted on the package for external electrical connection of the semiconductor module in the package to an external circuit; a metallic shutter disposed on the package and movable between an open position in which the electrode terminals are exposed for the electrical connection and a closed position in which the electrode terminals are covered; and an insulating layer formed on a surface of the shutter which faces the electrodes.
Inventors
- 👤 Toshinobu Banjo
- 👤 Yasuhiro Murasawa
- 👤 Shigeo Onoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:33
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/077; G06K19/07743
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
88 words
A memory card comprising: a card-shaped package; a semiconductor module disposed within said package; a plurality of electrode terminals mounted on said package for external electrical connection of said semiconductor module in said package to an external circuit; a metallic shutter disposed on said package and movable between an open position in which said electrode terminals are exposed for said electrical connection and a closed position in which said electrode terminals are covered; and an insulating layer formed on a surface of said shutter facing said electrode terminals.
Claim 2
Dependent Claim
88 words
A memory card comprising: a card-shaped package; a semiconductor module disposed within said package; a plurality of electrode terminals mounted on said package for external electrical connection of said semiconductor module in said package to an external circuit; a metallic shutter disposed on said package and movable between an open position in which said electrode terminals are exposed for said electrical connection and a closed position in which said electrode terminals are covered; and an insulating layer formed on a surface of said shutter facing said electrode terminals.
Claim 3
Dependent Claim
20 words
A memory card as claimed in claim 1, wherein said insulating layer is formed by applying an insulating synthetic resin.
Claim 4
Dependent Claim
17 words
A memory card as claimed in claim 2, wherein said insulating synthetic resin is a polyimide resin.
Claim 5
Dependent Claim
17 words
A memory card as claimed in claim 2, wherein said insulating synthetic resin is a silicone resin.
Claim 6
Dependent Claim
16 words
A memory card as claimed in claim 2, wherein said insulating resin is an epoxy resin.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-07 | 1993-11-06 | 1994-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-07 | 1997-11-06 | 1998-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-07 | 2001-11-06 | 2002-05-08 | $7700.00 | Window Closed / Lapsed |