US4942456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic packaged device having a hollow portion enclosing a chip element
Assignee: Toshiba Corp
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Filing: 1988-08-22
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Granted: 1990-07-17
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Expires: 2008-08-22
Abstract
Abstract A plastic packaged device comprises a chip element mounted on a supporting member, and covered by a hollow portion. The supporting member has a wall portion at least partially surrounding the chip element. As the hollow portion ends at the wall portion, sufficient space for covering the chip element is achieved.
Inventors
- 👤 Shigeki Sako
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:55
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/10; H10W74/111; H10W74/124; H10W40/00; H10W40/70; H10W40/77; H10W40/778; H10W70/00; H10W70/40; H10W70/411; H10W70/464; H10W70/468; H10W74/114; H10W90/00; H10W90/811; H10W72/00; H10W72/01; H10W72/015; H10W72/01515; H10W72/071; H10W72/075; H10W72/50; H10W72/541; H10W72/5449; H10W90/701; H10W90/751; H10W90/756
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
65 words
A packaged electronic device, comprising: an electronic chip element; means for supporting the chip element; packaging means for enclosed said chip element; wall means disposed on said supporting means for defining an area surrounding the electronic chip element; and said packaging means and said wall means defining a hollow space extending from said area and separating the chip element from contact with said packaging means.
Claim 2
Dependent Claim
65 words
A packaged electronic device, comprising: an electronic chip element; means for supporting the chip element; packaging means for enclosed said chip element; wall means disposed on said supporting means for defining an area surrounding the electronic chip element; and said packaging means and said wall means defining a hollow space extending from said area and separating the chip element from contact with said packaging means.
Claim 3
Dependent Claim
27 words
The packaged device of claim 1, wherein the wall means comprises a plurality of wall) sections, each adjacent pair of wall sections having a slit portion therebetween.
Claim 4
Dependent Claim
36 words
The packaged device of claim 2, wherein the chip element has sides of a predetermined dimension, and the wall means includes walls extending from the supporting means for a distance approximately equal to the predetermined dimension.
Claim 5
Dependent Claim
16 words
The packaged device of claim 1, wherein the chip element is a surface acoustic wave device.
Claim 6
Dependent Claim
28 words
The packaged device of claim 1, wherein the packaged device has an outer surface, and the supporting means includes planar surface defining a part of the outer surface.
Claim 7
Dependent Claim
13 words
The packaged device of claim 1, wherein the wall means includes insulating material.
Claim 8
Dependent Claim
27 words
The packaged device of claim 6, wherein the insulating material includes a circuit board having wiring leads thereon, the leads being electrically connected to the chip element.
Claim 9
Dependent Claim
41 words
A packaged device containing a chip element mounted on a supporting member sealed within the device with a hollow portion over the chip element, characterized in that the supporting member includes wall portions which at least partially define the hollow portion.
Claim 10
Dependent Claim
41 words
A packaged device containing a chip element mounted on a supporting member sealed within the device with a hollow portion over the chip element, characterized in that the supporting member includes wall portions which at least partially define the hollow portion.
Claim 11
Dependent Claim
18 words
The packaged device of claim 8, characterized in that the wall portion has a plurality of slit portions.
Claim 12
Dependent Claim
17 words
The packaged device of claim 9, also including wires connected through the slits to the chip element.
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) | 1993-07-16 | 1994-01-15 | 1994-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-16 | 1998-01-15 | 1998-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-16 | 2002-01-15 | 2002-07-17 | $7700.00 | Window Closed / Lapsed |