JPS5272573A - Production of lead frame - Google Patents

Production of lead frame

Info

Publication number
JPS5272573A
JPS5272573A JP14897775A JP14897775A JPS5272573A JP S5272573 A JPS5272573 A JP S5272573A JP 14897775 A JP14897775 A JP 14897775A JP 14897775 A JP14897775 A JP 14897775A JP S5272573 A JPS5272573 A JP S5272573A
Authority
JP
Japan
Prior art keywords
lead frame
production
copper foil
compression bonding
pellets
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.)
Granted
Application number
JP14897775A
Other languages
Japanese (ja)
Other versions
JPS5431345B2 (en
Inventor
Minoru Nemoto
Kakuo Mihara
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14897775A priority Critical patent/JPS5272573A/en
Publication of JPS5272573A publication Critical patent/JPS5272573A/en
Publication of JPS5431345B2 publication Critical patent/JPS5431345B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lead Frames For Integrated Circuits (AREA)

Abstract

PURPOSE: To prevent denting of a copper foil in the portions of windows for receiving and holding pellets on a film in the compression bonding process in a lead frame for semiconductor pellets comprising thermo-compression bonding of the copper foil on an electrically insulating film.
COPYRIGHT: (C)1977,JPO&Japio
JP14897775A 1975-12-13 1975-12-13 Production of lead frame Granted JPS5272573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14897775A JPS5272573A (en) 1975-12-13 1975-12-13 Production of lead frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14897775A JPS5272573A (en) 1975-12-13 1975-12-13 Production of lead frame

Publications (2)

Publication Number Publication Date
JPS5272573A true JPS5272573A (en) 1977-06-17
JPS5431345B2 JPS5431345B2 (en) 1979-10-06

Family

ID=15464905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14897775A Granted JPS5272573A (en) 1975-12-13 1975-12-13 Production of lead frame

Country Status (1)

Country Link
JP (1) JPS5272573A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160332332A1 (en) * 2014-04-24 2016-11-17 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US20170050367A1 (en) * 2014-05-08 2017-02-23 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US20170113394A1 (en) * 2014-05-08 2017-04-27 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US20180093233A1 (en) * 2015-04-28 2018-04-05 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US20180093234A1 (en) * 2015-04-28 2018-04-05 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US11072104B2 (en) * 2014-10-27 2021-07-27 Shibaura Machine Co., Ltd. Screw for extruder comprising a passage crossing over between adjacent cylindrical bodies
US11224991B2 (en) 2014-04-24 2022-01-18 Shibaura Machine Co., Ltd. Extruder screw having paths within the screw, extruder, and extrusion method
US11400632B2 (en) 2014-10-27 2022-08-02 Toshiba Kikai Kabushiki Kaisha Extruder screw with conveying portions and barrier portions and extrusion methods using the extruder screw and a plurality of barrel blocks
US11565440B2 (en) 2014-05-08 2023-01-31 Shibaura Machine Co., Ltd. Kneading apparatus with first and second extruders

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160332332A1 (en) * 2014-04-24 2016-11-17 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US11220022B2 (en) 2014-04-24 2022-01-11 Shibaura Machine Co., Ltd. Extruder screw having paths within the screw, extruder, and extrusion method
US11224991B2 (en) 2014-04-24 2022-01-18 Shibaura Machine Co., Ltd. Extruder screw having paths within the screw, extruder, and extrusion method
US20170050367A1 (en) * 2014-05-08 2017-02-23 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US20170113394A1 (en) * 2014-05-08 2017-04-27 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US11813785B2 (en) 2014-05-08 2023-11-14 Shibaura Machine Co., Ltd. Extruder screw having paths within the screw, extruder, and extrusion method
US11752682B2 (en) 2014-05-08 2023-09-12 Shibaura Machine Co., Ltd. Extruder screw having paths within the screw, extruder, and extrusion method
US10967554B2 (en) 2014-05-08 2021-04-06 Toshiba Kikai Kabushiki Kaisha Extruder screw having paths within the screw, extruder, and extrusion method
US11565440B2 (en) 2014-05-08 2023-01-31 Shibaura Machine Co., Ltd. Kneading apparatus with first and second extruders
US11110638B2 (en) 2014-05-08 2021-09-07 Shibaura Machine Co., Ltd. Extruder screw having paths within the screw, extruder, and extrusion method
US11400632B2 (en) 2014-10-27 2022-08-02 Toshiba Kikai Kabushiki Kaisha Extruder screw with conveying portions and barrier portions and extrusion methods using the extruder screw and a plurality of barrel blocks
US11072104B2 (en) * 2014-10-27 2021-07-27 Shibaura Machine Co., Ltd. Screw for extruder comprising a passage crossing over between adjacent cylindrical bodies
US11820062B2 (en) 2014-10-27 2023-11-21 Shibaura Machine Co., Ltd. Extrusion methods wherein material is guided through a passage crossing over between adjacent cylindrical bodies
US11230033B2 (en) 2015-04-28 2022-01-25 Shibaura Machine Co., Ltd. Extruder screw including conveyance portions and paths within the conveyance portions, extruder, and extrusion method
US11229889B2 (en) 2015-04-28 2022-01-25 Shibaura Machine Co., Ltd. Extruder screw with alternately-arranged conveyance portions and extruders and extrusion methods using the extruder screw
US20180093234A1 (en) * 2015-04-28 2018-04-05 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method
US20180093233A1 (en) * 2015-04-28 2018-04-05 Toshiba Kikai Kabushiki Kaisha Extruder screw, extruder, and extrusion method

Also Published As

Publication number Publication date
JPS5431345B2 (en) 1979-10-06

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