DE2453112A1 - Verfahren zur bildung einer metallperle - Google Patents

Verfahren zur bildung einer metallperle

Info

Publication number
DE2453112A1
DE2453112A1 DE19742453112 DE2453112A DE2453112A1 DE 2453112 A1 DE2453112 A1 DE 2453112A1 DE 19742453112 DE19742453112 DE 19742453112 DE 2453112 A DE2453112 A DE 2453112A DE 2453112 A1 DE2453112 A1 DE 2453112A1
Authority
DE
Germany
Prior art keywords
flame
gold wire
semiconductor elements
protective gas
connection
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.)
Pending
Application number
DE19742453112
Other languages
German (de)
English (en)
Inventor
Hisashi Yoshida
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE2453112A1 publication Critical patent/DE2453112A1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K5/00—Gas flame welding
    • B23K5/003—Gas flame welding the welding zone being shielded against the influence of the surrounding atmosphere
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/01—Manufacture or treatment
    • H10W72/015—Manufacture or treatment of bond wires
    • H10W72/01551—Changing the shapes of bond wires
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/0711—Apparatus therefor
    • H10W72/07141—Means for applying energy, e.g. ovens or lasers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires
    • H10W72/07511—Treating the bonding area before connecting, e.g. by applying flux or cleaning
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires
    • H10W72/07531—Techniques
    • H10W72/07532—Compression bonding, e.g. thermocompression bonding
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires
    • H10W72/07541—Controlling the environment, e.g. atmosphere composition or temperature
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/551—Materials of bond wires
    • H10W72/552—Materials of bond wires comprising metals or metalloids, e.g. silver
    • H10W72/5522—Materials of bond wires comprising metals or metalloids, e.g. silver comprising gold [Au]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/59—Bond pads specially adapted therefor
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/90—Bond pads, in general
    • H10W72/951—Materials of bond pads
    • H10W72/952—Materials of bond pads comprising metals or metalloids, e.g. PbSn, Ag or Cu
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00—Encapsulations, e.g. protective coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Bonding (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
DE19742453112 1974-04-26 1974-11-08 Verfahren zur bildung einer metallperle Pending DE2453112A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4652174A JPS539951B2 (enExample) 1974-04-26 1974-04-26

Publications (1)

Publication Number Publication Date
DE2453112A1 true DE2453112A1 (de) 1975-11-13

Family

ID=12749564

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742453112 Pending DE2453112A1 (de) 1974-04-26 1974-11-08 Verfahren zur bildung einer metallperle

Country Status (2)

Country Link
JP (1) JPS539951B2 (enExample)
DE (1) DE2453112A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098447A (en) * 1975-05-15 1978-07-04 The Welding Institute Bonding method and apparatus
DE4417419A1 (de) * 1993-05-21 1994-11-24 Rohm Co Ltd Verfahren zur Bildung eines Kugelendes für einen Lötdraht
DE19604287A1 (de) * 1996-02-07 1997-08-14 Fraunhofer Ges Forschung Vorrichtung zur Beaufschlagung eines Drahtendes in einer Drahtbondeinrichtung mit einem Schutzmedium

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098447A (en) * 1975-05-15 1978-07-04 The Welding Institute Bonding method and apparatus
DE4417419A1 (de) * 1993-05-21 1994-11-24 Rohm Co Ltd Verfahren zur Bildung eines Kugelendes für einen Lötdraht
US5431329A (en) * 1993-05-21 1995-07-11 Rohm Co., Ltd. Method of forming a ball end for a solder wire
DE4417419C2 (de) * 1993-05-21 2000-11-02 Rohm Co Ltd Verfahren zur Formung einer Kugel an einem Lötdraht
DE19604287A1 (de) * 1996-02-07 1997-08-14 Fraunhofer Ges Forschung Vorrichtung zur Beaufschlagung eines Drahtendes in einer Drahtbondeinrichtung mit einem Schutzmedium
DE19604287C2 (de) * 1996-02-07 1999-12-09 Fraunhofer Ges Forschung Vorrichtung zur Beaufschlagung eines Drahtendes in einer Drahtbondeinrichtung mit einem Schutzmedium

Also Published As

Publication number Publication date
JPS539951B2 (enExample) 1978-04-10
JPS50140062A (enExample) 1975-11-10

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Legal Events

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