ES402719A1 - Flipchip mounted transistor - Google Patents

Flipchip mounted transistor

Info

Publication number
ES402719A1
ES402719A1 ES402719A ES402719A ES402719A1 ES 402719 A1 ES402719 A1 ES 402719A1 ES 402719 A ES402719 A ES 402719A ES 402719 A ES402719 A ES 402719A ES 402719 A1 ES402719 A1 ES 402719A1
Authority
ES
Spain
Prior art keywords
layer
openings
insulating material
main surface
metallic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES402719A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of ES402719A1 publication Critical patent/ES402719A1/en
Expired legal-status Critical Current

Links

Classifications

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    • H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
    • H01L24/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
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    • H01L24/02—Bonding areas ; Manufacturing methods related thereto
    • H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L24/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
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    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H—ELECTRICITY
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Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Bipolar Transistors (AREA)

Abstract

Improvements introduced into transistors intended to be mounted by the method of inverting the tablets on terminal areas included in a substrate of a hybrid micro-electronic circuit, said transistors comprising a semiconductor body (2) having a main surface (7), a plurality of isolated emitter regions (8a, 8b, 8c, id,) a base region (6) and a collector region (4) in said body, each of said regions (4,6,8a-8d) having parts exposed on said surface (7), metallic electrode layers (22a, 22b, 24) directly on and in contact only with said exposed parts, a protective layer of insulating material (12) that covers said main surface (7), said layer not having metallic connections in it, and openings (32,40) in said layer of insulating material (12) for said metallic electrode layers (22a, 22b, 24) characterized in that welding projections (44a, 44d, 46) in said c metal electrode pins (22a, 22b, 24) inside said openings (32,40) (Machine-translation by Google Translate, not legally binding)
ES402719A 1971-05-20 1972-05-13 Flipchip mounted transistor Expired ES402719A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14540671A 1971-05-20 1971-05-20

Publications (1)

Publication Number Publication Date
ES402719A1 true ES402719A1 (en) 1975-12-01

Family

ID=22512964

Family Applications (1)

Application Number Title Priority Date Filing Date
ES402719A Expired ES402719A1 (en) 1971-05-20 1972-05-13 Flipchip mounted transistor

Country Status (8)

Country Link
AU (1) AU4236672A (en)
BE (1) BE783729A (en)
DE (1) DE2224334A1 (en)
ES (1) ES402719A1 (en)
FR (1) FR2138731A1 (en)
GB (1) GB1374867A (en)
IT (1) IT955650B (en)
NL (1) NL7206816A (en)

Also Published As

Publication number Publication date
FR2138731A1 (en) 1973-01-05
GB1374867A (en) 1974-11-20
BE783729A (en) 1972-09-18
IT955650B (en) 1973-09-29
AU4236672A (en) 1973-11-22
DE2224334A1 (en) 1972-11-30
NL7206816A (en) 1972-11-22

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