US4398117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows support for surface acoustic wave device
Assignee: Unisys Corp
•
Filing: 1981-03-23
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Granted: 1983-08-09
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Expires: 2001-03-23
Abstract
Abstract An improved surface acoustic wave device having an acoustic substrate is mounted on multidirectional deflection structures that provide isolation from shocks and vibration and permit thermal expansion without stress to the acoustic substrate.
Inventors
- 👤 Raymond A. St. Cyr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:25
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/058; H03H9/059
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
57 words
An improved surface acoustic wave device of the type having an acoustic substrate and a base wherein the improvement comprises: bellows shaped mounting means disposed between said substrate and said base for providing multidirectional deflection movement; first means for attaching said bellows means to said substrate; and second means for attaching said bellows means to said base.
Claim 2
Dependent Claim
57 words
An improved surface acoustic wave device of the type having an acoustic substrate and a base wherein the improvement comprises: bellows shaped mounting means disposed between said substrate and said base for providing multidirectional deflection movement; first means for attaching said bellows means to said substrate; and second means for attaching said bellows means to said base.
Claim 3
Dependent Claim
17 words
The device according to claim 1 wherein said bellows mounting material is fabricated from a flexible material.
Claim 4
Dependent Claim
13 words
The device according to claim 2 wherein said flexible material comprises ductile nickel.
Claim 5
Dependent Claim
17 words
The device according to claim 2 wherein said flexible material is a low outgassing, low oxidization material.
Claim 6
Dependent Claim
15 words
The device according to claim 4 wherein said flexible material is gold plated ductile nickel.
Claim 7
Dependent Claim
16 words
The device according to claim 1 wherein said first and second attaching means comprises an adhesive.
Claim 8
Dependent Claim
12 words
The device according to claim 6 wherein said adhesive comprises epoxy resin.
Claim 9
Dependent Claim
14 words
The device according to claim 7 wherein said epoxy resin comprises gold-filled epoxy resin.
Claim 10
Dependent Claim
12 words
The device according to claim 6 wherein said adhesive comprises polyimide resin.
Claim 11
Dependent Claim
13 words
The device according to claim 1 wherein said second attaching means comprises solder.
Claim 12
Dependent Claim
30 words
The device according to claim 1 wherein said second attaching means comprises at least one pin coupled to said base and aligned with the interior of said bellows mounting means.
Claim 13
Dependent Claim
23 words
The device according to claim 11 wherein said interior of said bellows mounting means is aligned in friction fit relation to said pin.
Claim 14
Dependent Claim
16 words
The device according to claim 11 wherein said pin is spot-welded to said bellows mounting means.
Claim 15
Dependent Claim
22 words
The device according to claim 11 further comprising epoxy resin disposed between said pin and said bellows means for providing adhesion therebetween.
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) | 1986-08-08 | 1987-02-07 | 1987-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-08 | 1991-02-07 | 1991-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-08 | 1995-02-07 | 1995-08-09 | $7700.00 | Window Closed / Lapsed |