US3714488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pick-up tube envelope sealant extending into groove of annular target support
Assignee: Panasonic Holdings Corp
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Filing: 1971-09-17
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Granted: 1973-01-30
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Expires: 1991-09-17
Abstract
Abstract A target assembly of an image pick-up tube including a face plate hermetically fastened on one open end of a tubular envelope of the image pick-up tube through pressure welded binding member composed of indium which is interposed therebetween. A support member supporting therein a target substrate is mounted on the inner surface of the face plate and secured thereto through its peripheral wall combined with the binding member. On the peripheral wall is formed a groove extending circumferentially thereof. The binding member combines with the groove so that the support member favorably fastened to the face plate.
Inventors
- 👤 R Kato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:35
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/026
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
120 words
A target assembly of an image pick-up tube including a tubular envelope, which comprises: a transparent face plate; an annular binding member welded both to the inner surface of said face plate and one open end of said tubular envelope; an annular support member supporting therein a target substrate of said image pick-up tube mounted on the back surface of said face plate, said support member having on its peripheral wall a groove extending circumferentially of the peripheral wall which groove is combined with said binding member; and an annular signal ring capping said envelope and secured thereto through an electrically conductive paint, said signal ring being contacted at its inner surface to the peripheral wall of said binding member.
Claim 2
Dependent Claim
120 words
A target assembly of an image pick-up tube including a tubular envelope, which comprises: a transparent face plate; an annular binding member welded both to the inner surface of said face plate and one open end of said tubular envelope; an annular support member supporting therein a target substrate of said image pick-up tube mounted on the back surface of said face plate, said support member having on its peripheral wall a groove extending circumferentially of the peripheral wall which groove is combined with said binding member; and an annular signal ring capping said envelope and secured thereto through an electrically conductive paint, said signal ring being contacted at its inner surface to the peripheral wall of said binding member.
Claim 3
Dependent Claim
19 words
A target assembly according to claim 1, wherein the peripheral wall of said support member is plated with indium.
Claim 4
Dependent Claim
19 words
A target assembly according to claim 1, wherein the peripheral wall of said support member is plated with tin.
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) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |