GB1389346A - Lead frames for holding and contacting semiconductor bodies - Google Patents

Lead frames for holding and contacting semiconductor bodies

Info

Publication number
GB1389346A
GB1389346A GB2466172A GB2466172A GB1389346A GB 1389346 A GB1389346 A GB 1389346A GB 2466172 A GB2466172 A GB 2466172A GB 2466172 A GB2466172 A GB 2466172A GB 1389346 A GB1389346 A GB 1389346A
Authority
GB
United Kingdom
Prior art keywords
leads
carrier sheet
mask
holding
face
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
GB2466172A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1389346A publication Critical patent/GB1389346A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H10W72/30—Die-attach connectors
    • 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
    • H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/01—Manufacture or treatment
    • H10W70/04—Manufacture or treatment of leadframes
    • H10W70/042—Etching
    • 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
    • H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/40—Leadframes
    • H10W70/421—Shapes or dispositions
    • H10W70/424—Cross-sectional shapes
    • 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
    • H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/40—Leadframes
    • H10W70/456—Materials
    • H10W70/457—Materials of metallic layers on leadframes
    • 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
    • H10W72/073—Connecting or disconnecting of die-attach connectors
    • 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
    • H10W72/073—Connecting or disconnecting of die-attach connectors
    • H10W72/07331—Connecting techniques
    • H10W72/07336—Soldering or alloying
    • 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
    • H10W72/541—Dispositions of bond wires
    • H10W72/5449—Dispositions of bond wires not being orthogonal to a side surface of the chip, e.g. fan-out arrangements
    • 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
    • H10W90/00—Package configurations
    • H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
    • H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink

Landscapes

  • Lead Frames For Integrated Circuits (AREA)
GB2466172A 1971-06-03 1972-05-25 Lead frames for holding and contacting semiconductor bodies Expired GB1389346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2127633A DE2127633B2 (de) 1971-06-03 1971-06-03 Verfahren zum Herstellen eines Systemträgers zur Halterung und Kontaktierung eines Halbleiterkörpers

Publications (1)

Publication Number Publication Date
GB1389346A true GB1389346A (en) 1975-04-03

Family

ID=5809753

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2466172A Expired GB1389346A (en) 1971-06-03 1972-05-25 Lead frames for holding and contacting semiconductor bodies
GB5125173A Expired GB1390752A (en) 1971-06-03 1972-05-25 Lead frames for holding and contacting semiconductor bodies

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5125173A Expired GB1390752A (en) 1971-06-03 1972-05-25 Lead frames for holding and contacting semiconductor bodies

Country Status (5)

Country Link
DE (1) DE2127633B2 (https=)
FR (1) FR2140190B3 (https=)
GB (2) GB1389346A (https=)
IT (1) IT955889B (https=)
NL (1) NL7207300A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108257938A (zh) * 2018-01-31 2018-07-06 江苏长电科技股份有限公司 用于引线框架的治具及引线框架的蚀刻方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2658532C2 (de) * 1976-12-23 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Zwischenträger zur Halterung und Kontaktierung eines Halbleiterkörpers und Verfahren zu dessen Herstellung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108257938A (zh) * 2018-01-31 2018-07-06 江苏长电科技股份有限公司 用于引线框架的治具及引线框架的蚀刻方法
CN108257938B (zh) * 2018-01-31 2020-01-24 江苏长电科技股份有限公司 用于引线框架的治具及引线框架的蚀刻方法

Also Published As

Publication number Publication date
DE2127633A1 (de) 1972-12-07
DE2127633C3 (https=) 1975-11-20
GB1390752A (en) 1975-04-16
FR2140190A1 (https=) 1973-01-12
DE2127633B2 (de) 1975-03-20
IT955889B (it) 1973-09-29
FR2140190B3 (https=) 1975-08-08
NL7207300A (https=) 1972-12-05

Similar Documents

Publication Publication Date Title
YU36545B (en) Process for eliminating the oxide layer from metal surfaces, such as copper or brass by means of chemical etching in acidic solutions comprising hydrogen peroxide
GB1094699A (en) Method of attaching leads to thin films
GB1389346A (en) Lead frames for holding and contacting semiconductor bodies
GB1106480A (en) Process for the production of a semi-conductor arrangement
ZA724943B (en) Electrical contract for equipment used in the electrolytical production of metals,particularly copper
JPS5240968A (en) Process for production of semiconductor device
JPS5238885A (en) Method for production of semiconductor device
ES394087A1 (es) Un metodo de establecer conexiones relativamente aisladas entre los terminales de conductores metalicos dispuestos en un bastidor de montaje y un sustrato aislante.
FR2463639B1 (https=)
GB1168358A (en) A Process for the Production of a Semiconductor Unit
GB980715A (en) Improvements in or relating to the manufacture of deposited electrical circuits, electrical components, electrical circuit elements and the like
GB1276102A (en) Method of producing semiconductor devices
JPS5310266A (en) Production of soldred semiconductor wafers
GB1338414A (en) High purity copper wire and the process of making it
GB1170828A (en) Diffusion-Soldering Process
JPS56129349A (en) Method of manufacturing airtight terminal
JPS5279774A (en) Forming method for lead frame for resin sealing
JPS5219297A (en) Method of manufacturing a metal film resistor
JPS5246774A (en) Process for production of lead frame for semiconductors
JPS5223281A (en) Method of manufacturing semiconductor device
IT1195541B (it) Metodo di fabbricazione di elementi raddrizzatori
JPS5223270A (en) Method of manufacturing lead frames for semiconductors
GB1193109A (en) Methods of Coating Semiconductive Materials with Conductive Metals.
JPS5217838A (en) Manufacturing method of synthetic resin mirror
JPS51151070A (en) Connection method of a semiconductor apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee