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US3916433A Expired / Lapsed US ⏱️ 0.0 years remaining

Semiconductor arrangement and method of production

Assignee: Semikron GmbH and Co KG
•
Filing: 1970-02-05
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Granted: 1975-10-28
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Expires: 1990-02-05
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Abstract

Abstract A semiconductor arrangement having semiconductor rectifier wafers arranged in a plane and contacted between portions of associated conductors forming a clamp-type mounting. All of the conductor portions for the semiconductor arrangement, including the clamp-type mounting, are formed from a single band of planar conductive material to which the conductors remain connected during the manufacturing process. The clamp-type mountings for the semiconductor wafers are formed by bending one of a pair of adjacent associated conductor portions out of the plane of the conductors and displacing it parallelly so that it overlaps the other of the pair of conductors. After insertion of the semiconductor wafers within the clamp-type mountings and any further processing required, the portion of the conductors containing the clamp-type mountings and the wafers are encapsulated, and the conductors are severed from the band of material to produce a plurality of individual devices. The basic technique may be utilized and is particularly advantageous for rectifier arrangements using a plurality of rectifying devices, for example, single-phase and three-phase bridge circuits and three-phase star circuits.

Inventors

  • 👤 Winfried Schierz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:58
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/40; H10W70/481; H10W70/421; H10W70/424; H10W70/427; H10W76/00; H10W76/10; H10W76/12; H10W76/161; Y; Y10; Y10S; Y10S257/00; Y10S257/909

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 269 words
AN ARTICLE OF MANUFACTURE FOR USE IN THE MANUFACTURE OF SEMICONDUCTOR ARRANGEMENTS WHEREIN A PLURALITY OF SEMICONDUCTOR RECTIFIER WAFERS ARE ARRANGED IN A PLANE AND CONTACTED BETWEEN PORTIONS OF ASSOCIATED CONDUCTORS FORMING A CLAMPTYPE MOUNTING, COMPIRSING: A PLURALITY OF PLANAR CONDUCTORS FORMED FROM A SINGLE CONTINOUS BAND OF PLANAR CONDUCTIVE MATERIAL, EACH OF SAID CONDUCTORS BEING CONNECTED AT ONE END THEREOF, TO A LONGITUDINALLY EXTENDING PORTION OF SAID BAND OF CONDUCTIVE MATERIAL WHEREBY SAID LONGITUDINALLY EXTENDING PORTION SERRVES AS A TRANSPORTING STRIP, SAID CONDUCTORS FORMING A PLANAR GEOMETRICAL STRUCTURE WHICH PERIODICALLY REPEATS ITSELF ALONG THE LENGTH OF SAID BAND, SAID GEOMETRICAL STRUCTURE HAVING A PATTERN SUCH THAT THE CENTER LINES OF THE ENDS OF SAID CONDUCTORS CONNECTED TO SAID LONGITUDINALLY EXTENDING PORTION OF SAID BAND SERVE AS REFERENCE MARKS FOR SEPARATING THE GEOMETRIC STRUCTORES INTO DESIRED SEMICONDUCTOR DEVICES, SAID GEOMETRICAL STRUCTURE INCLUDING A PLURALITY OF CLAMP-TYPE MOUNTINGS AT DESIRED LOCATIONS EACH OF WHICH IS FORMED BY ADJACENT PORTIONS OF TWO OF SAID CONDUCTORS, ONE OF SAID ADJCAENT CONDUCTOR PORTIONS FOR EACH SAID CLAMP-TYPE MOUNTING BEING PERMANENTLY BENT SO AS TO RAISE IT OUT OF THE PLANE OF SAID BAND AND DISPLACE IT PARALEL TO SAID PLANE OF SAID BAND AND LATERALLY IN THE LONGITUDINA DIRECTION PARALLEL TO SAID TRANSPORTING STRIP SO THAT THE ORIGINAL UNDER SURFACE OF SAID ONE OF SAID DJACENT CONDUCTOR PORTIONS OVERLAPS THE ORIGINAL UPPER SURFACE OF SAID OTHER OF SAID ADJACENT CONDUCTOR PORTIONS WHICH THEN SERVES AS A BASE CONDUCTOR PORTION FOR A SEMICONDUCTOR WAFER, WHEREBY THE SEMICONDUCTOR WAFER MAY BE INSERTED BETWEEN SAID OVERLAPPING CONDUCTOR PORTIONS AND CLAMPED THEREBETWEEN BY MEANS OF SPRING PRESSURE.
Claim 2
Dependent Claim 269 words
AN ARTICLE OF MANUFACTURE FOR USE IN THE MANUFACTURE OF SEMICONDUCTOR ARRANGEMENTS WHEREIN A PLURALITY OF SEMICONDUCTOR RECTIFIER WAFERS ARE ARRANGED IN A PLANE AND CONTACTED BETWEEN PORTIONS OF ASSOCIATED CONDUCTORS FORMING A CLAMPTYPE MOUNTING, COMPIRSING: A PLURALITY OF PLANAR CONDUCTORS FORMED FROM A SINGLE CONTINOUS BAND OF PLANAR CONDUCTIVE MATERIAL, EACH OF SAID CONDUCTORS BEING CONNECTED AT ONE END THEREOF, TO A LONGITUDINALLY EXTENDING PORTION OF SAID BAND OF CONDUCTIVE MATERIAL WHEREBY SAID LONGITUDINALLY EXTENDING PORTION SERRVES AS A TRANSPORTING STRIP, SAID CONDUCTORS FORMING A PLANAR GEOMETRICAL STRUCTURE WHICH PERIODICALLY REPEATS ITSELF ALONG THE LENGTH OF SAID BAND, SAID GEOMETRICAL STRUCTURE HAVING A PATTERN SUCH THAT THE CENTER LINES OF THE ENDS OF SAID CONDUCTORS CONNECTED TO SAID LONGITUDINALLY EXTENDING PORTION OF SAID BAND SERVE AS REFERENCE MARKS FOR SEPARATING THE GEOMETRIC STRUCTORES INTO DESIRED SEMICONDUCTOR DEVICES, SAID GEOMETRICAL STRUCTURE INCLUDING A PLURALITY OF CLAMP-TYPE MOUNTINGS AT DESIRED LOCATIONS EACH OF WHICH IS FORMED BY ADJACENT PORTIONS OF TWO OF SAID CONDUCTORS, ONE OF SAID ADJCAENT CONDUCTOR PORTIONS FOR EACH SAID CLAMP-TYPE MOUNTING BEING PERMANENTLY BENT SO AS TO RAISE IT OUT OF THE PLANE OF SAID BAND AND DISPLACE IT PARALEL TO SAID PLANE OF SAID BAND AND LATERALLY IN THE LONGITUDINA DIRECTION PARALLEL TO SAID TRANSPORTING STRIP SO THAT THE ORIGINAL UNDER SURFACE OF SAID ONE OF SAID DJACENT CONDUCTOR PORTIONS OVERLAPS THE ORIGINAL UPPER SURFACE OF SAID OTHER OF SAID ADJACENT CONDUCTOR PORTIONS WHICH THEN SERVES AS A BASE CONDUCTOR PORTION FOR A SEMICONDUCTOR WAFER, WHEREBY THE SEMICONDUCTOR WAFER MAY BE INSERTED BETWEEN SAID OVERLAPPING CONDUCTOR PORTIONS AND CLAMPED THEREBETWEEN BY MEANS OF SPRING PRESSURE.
Claim 3
Dependent Claim 23 words
The article of manufacture defined in claim 1 wherein said band is formed from a material which exhibits good electrical and thermal conductivity.
Claim 4
Dependent Claim 21 words
The article of manufacture defined in claim 2 wherein said band is formed from copper, brass, iron or an iron-nickel-cobalt alloy.
Claim 5
Dependent Claim 49 words
The article of manufacture defined in claim 1 wherein the ends of said conductors which are connected to said longitudinally extending portion of said band, and which serve as the conductive leads extending outside of the housing in the completed device, are arranged in a predetermined desired mutual spacing.
Claim 6
Dependent Claim 83 words
The article of manufacture defined in claim 1 wherein said geometrical structure comprises a first base conductor portion extending longitudinally along the entire edge of said band of conductive material opposite said transporting strip with said base portion having a configuration which determines the periodicity of the desired semiconductor device structure; and, at least two second base conductor portions per period disposed parallel to said first base conductor portion and symmetrically to a third conductor portion disposed in the center of the period.
Claim 7
Dependent Claim 33 words
The article of manufacture defined in claim 1 wherein a plurality of indexing marks are provided within said transporting strip, with the spacing therebetween coinciding with the spacing between said parallelly extending conductors.
Claim 8
Dependent Claim 19 words
The article of manufacture defined in claim 1 wherein said conductors extend from both edges of said transporting strip.
Claim 9
Dependent Claim 35 words
An article of manufacture as defined in claim 1 wherein each said geometrical structure includes a base conductor portion extending longitudinally along the entire edge of said band of conductive material opposite said transporting strip.
Claim 10
Dependent Claim 73 words
An article of manufacture as defined in claim 1 wherein each of said bent conductors has a first section which is attached to said transporting strip and extends perpendicularly therefrom, a second section which extends from said first section parallel to said transporting strip and a third section which extends from the end of said second section parallel to said first section, said third section overlapping said other of said adjacent conductor portions.
Claim 11
Dependent Claim 27 words
An article of manufacture as defined in claim 9 wherein said second section of said bent conductor is bent to provide the displacement of said first section.
Claim 12
Dependent Claim 55 words
An article of manufActure as defined in claim 9 wherein said other of said adjacent conductors includes a first section which is attached to said transporting strip and extends transversely therefrom and a second section which extends from said first section in a longitudinal direction parallel to said transporting strip, and constitutes said overlapped portion.
Claim 13
Dependent Claim 28 words
An article of manufacture as defined in claim 1 further comprising a respective semiconductor rectifier wafer disposed between the respective overlapping conductor portions of each said clamp-type mounting.
Claim 14
Dependent Claim 173 words
A semiconductor arrangement comprising: a plurality of planar conductors formed from a single continuous band of planar conductive material, each of said conductors being connected at one end thereof to a longitudinally extending portion of said band of conductive material whereby said longitudinally extending portion serves as a transporting strip, a clamp-type mounting formed by adjacent portions of two of said conductors, one of said adjacent conductor portions for said clamp-type mounting being permanently bent so as to raise it out of the plane of said band and displace it parallel to said plane of said band and laterally in the longitudinal direction parallel to said transporting strip so that the original under surface of said one of said adjacent conductor portions overlaps the original upper surface of said other of said adjacent conductor portions which then serves as a base conductor portion for a semiconductor wafer; a semiconductor rectifier wafer inserted between said overlapping conductor portions and clamped therebetween: and solder bonds electrically connecting said wafer to each of said conductor portions.
Claim 15
Dependent Claim 173 words
A semiconductor arrangement comprising: a plurality of planar conductors formed from a single continuous band of planar conductive material, each of said conductors being connected at one end thereof to a longitudinally extending portion of said band of conductive material whereby said longitudinally extending portion serves as a transporting strip, a clamp-type mounting formed by adjacent portions of two of said conductors, one of said adjacent conductor portions for said clamp-type mounting being permanently bent so as to raise it out of the plane of said band and displace it parallel to said plane of said band and laterally in the longitudinal direction parallel to said transporting strip so that the original under surface of said one of said adjacent conductor portions overlaps the original upper surface of said other of said adjacent conductor portions which then serves as a base conductor portion for a semiconductor wafer; a semiconductor rectifier wafer inserted between said overlapping conductor portions and clamped therebetween: and solder bonds electrically connecting said wafer to each of said conductor portions.
Claim 16
Dependent Claim 70 words
A semiconductor arrangement as defined in claim 13 wherein said bent conductor has a first section which is attached to said transporting strip and extends perpendicularly therefrom, a second section which extends from said first section parallel to said transporting strip and a third section which extends from the end of said second section parallel to said first section, said third section overlapping said other of said adjacent conductor portions.
Claim 17
Dependent Claim 26 words
A semiconductor arrangement as defined in claim 14 wherein said second section of said bent conductor is bent to provide the displacement of said first section.
Claim 18
Dependent Claim 54 words
A semiconductor arrangement as defined in claim 9 wherein said other of said adjacent conductors includes a first section which is attached to said transporting strip and extends transversely therefrom and a second section which extends from said first section in a longitudinal direction parallel to said transporting strip, and constitutes said overlapped portion.

References Cited (Backward Citations)

US3702954A Cited
US3500136A Cited
US3569797A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-10-27 1979-04-28 1979-10-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-10-27 1983-04-28 1983-10-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-10-27 1987-04-28 1987-10-28 $7700.00 Window Closed / Lapsed

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