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US3178796A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and device for the machine assembling of crystal diodes

Assignee: US Philips Corp
•
Filing: 1960-05-12
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Granted: 1965-04-20
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Expires: 1980-05-12
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Abstract

No abstract record available.

Inventors

  • 👤 Smits Willem Frederik

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:58
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0441; H01; H01J; H01J9/00; H01J9/24; H01J9/32; H10D; H10D99/00; H10P72/0438; H10W; H10W72/00; H10W76/00; H10W76/10; H10W76/12; H10W76/161

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 234 words
AN APPARATUS FOR ASSEMBLING CRYSTAL DIODES, EACH PROVIDED WITH A CATHODE PORTION AND A WHISKER ANODE PORTION, SAID CATHODE PORTION BEIND PROVIDED WITH A GLASS HOUSING, COMPRISING A ROTATABLE TURRET HAVING A ADJUSTING ZONE, A SEALING ZONE AND A COOLING ZONE, A PLURALITY OF SEALING HEADS BEING LOCATED AT THE CIRCUMFERENCE OF SAID TURRET, EACH OF SAID SEALING HEADS INCLUDING A PAIR OF TONGS FOR HOLDING SAID CATHODE PORTION WHICH ITS CRYSTAL, A HOLDER FOR SAID WHISKER ANODE PORTION WHEREBY THE CRYSTAL OF THE CATHODE PORTION IS ALIGNED WITH SAID WHISKER, A DEVICE FOR CONTROLLING DISPLACEMENT OF SAID WHISKER IN THE DIRECTION OF ITS LENGTH WHEREBY THE WHISKER COMES TO BEAR ON THE TOP SURFACE OF SAID CRYSTAL WITH A FORCE SUBSTANTIALLY CONSTANT AND ADJUSTABLE FOR EACH HEAD, A HEATING MEMBER DISPLACEABLE ABOUT SAID WHISKER AND HEATING SAID GLASS HOUSING, MEANS FOR TESTING THE ELECTRICAL PROPERTIES OF THE CONTACT AND THE POINT OF THE WHISKER BEARING THEREON PRIOR TO THE HEATING MEMBER BEING MADE OPERATIVE, A PLURALITY OF TRANSPORT TRACKS ADJACENT TO SAID TURRET, A PLURALITY OF HOLDERS ADAPTED TO BE MOVABLE ON SAID TRANSPORT TRACKS AND HAVING THE CATHODE PORTIONS THEREIN, MEANS FOR TAKING SAID CATHODE PORTION OUT OF SAID HOLDERS AND PLACING THEM IN SAID SEALING HEADS, AND ANOTHER MEANS FOR TAKING EACH OF SAID ASSEMBLED CRYSTAL DIODES OUT OF SAID APPARATUS AND PLACING THEM IN SELECTED HOLDERS ON THE TRANSPORT TRACKS.
Claim 2
Independent Claim 234 words
AN APPARATUS FOR ASSEMBLING CRYSTAL DIODES, EACH PROVIDED WITH A CATHODE PORTION AND A WHISKER ANODE PORTION, SAID CATHODE PORTION BEIND PROVIDED WITH A GLASS HOUSING, COMPRISING A ROTATABLE TURRET HAVING A ADJUSTING ZONE, A SEALING ZONE AND A COOLING ZONE, A PLURALITY OF SEALING HEADS BEING LOCATED AT THE CIRCUMFERENCE OF SAID TURRET, EACH OF SAID SEALING HEADS INCLUDING A PAIR OF TONGS FOR HOLDING SAID CATHODE PORTION WHICH ITS CRYSTAL, A HOLDER FOR SAID WHISKER ANODE PORTION WHEREBY THE CRYSTAL OF THE CATHODE PORTION IS ALIGNED WITH SAID WHISKER, A DEVICE FOR CONTROLLING DISPLACEMENT OF SAID WHISKER IN THE DIRECTION OF ITS LENGTH WHEREBY THE WHISKER COMES TO BEAR ON THE TOP SURFACE OF SAID CRYSTAL WITH A FORCE SUBSTANTIALLY CONSTANT AND ADJUSTABLE FOR EACH HEAD, A HEATING MEMBER DISPLACEABLE ABOUT SAID WHISKER AND HEATING SAID GLASS HOUSING, MEANS FOR TESTING THE ELECTRICAL PROPERTIES OF THE CONTACT AND THE POINT OF THE WHISKER BEARING THEREON PRIOR TO THE HEATING MEMBER BEING MADE OPERATIVE, A PLURALITY OF TRANSPORT TRACKS ADJACENT TO SAID TURRET, A PLURALITY OF HOLDERS ADAPTED TO BE MOVABLE ON SAID TRANSPORT TRACKS AND HAVING THE CATHODE PORTIONS THEREIN, MEANS FOR TAKING SAID CATHODE PORTION OUT OF SAID HOLDERS AND PLACING THEM IN SAID SEALING HEADS, AND ANOTHER MEANS FOR TAKING EACH OF SAID ASSEMBLED CRYSTAL DIODES OUT OF SAID APPARATUS AND PLACING THEM IN SELECTED HOLDERS ON THE TRANSPORT TRACKS.

References Cited (Backward Citations)

US1833660A Cited
US2697806A Cited
US2693555A Cited
US2649560A Cited
US2757440A Cited
US2823789A Cited
US2856571A Cited
US2984046A Cited
US3047933A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-19 1968-10-19 1969-04-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-19 1972-10-19 1973-04-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-19 1976-10-19 1977-04-20 $7700.00 Window Closed / Lapsed

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