JPH057864B2 - - Google Patents

Info

Publication number
JPH057864B2
JPH057864B2 JP58219471A JP21947183A JPH057864B2 JP H057864 B2 JPH057864 B2 JP H057864B2 JP 58219471 A JP58219471 A JP 58219471A JP 21947183 A JP21947183 A JP 21947183A JP H057864 B2 JPH057864 B2 JP H057864B2
Authority
JP
Japan
Prior art keywords
gate
resin
cavity
mold
runner
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 - Lifetime
Application number
JP58219471A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60113437A (ja
Inventor
Junichi Saeki
Junichi Kumano
Aizo Kaneda
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
Renesas Eastern Japan Semiconductor Inc
Original Assignee
Hitachi Tokyo Electronics Co Ltd
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 Tokyo Electronics Co Ltd, Hitachi Ltd filed Critical Hitachi Tokyo Electronics Co Ltd
Priority to JP21947183A priority Critical patent/JPS60113437A/ja
Publication of JPS60113437A publication Critical patent/JPS60113437A/ja
Publication of JPH057864B2 publication Critical patent/JPH057864B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2703—Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates
    • B29C45/2704—Controlling the filling rates or the filling times of two or more mould cavities by controlling the cross section or the length of the runners or the gates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
    • B29C33/0066—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel with a subdivided channel for feeding the material to a plurality of locations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP21947183A 1983-11-24 1983-11-24 樹脂封止用金型 Granted JPS60113437A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21947183A JPS60113437A (ja) 1983-11-24 1983-11-24 樹脂封止用金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21947183A JPS60113437A (ja) 1983-11-24 1983-11-24 樹脂封止用金型

Publications (2)

Publication Number Publication Date
JPS60113437A JPS60113437A (ja) 1985-06-19
JPH057864B2 true JPH057864B2 (da) 1993-01-29

Family

ID=16735947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21947183A Granted JPS60113437A (ja) 1983-11-24 1983-11-24 樹脂封止用金型

Country Status (1)

Country Link
JP (1) JPS60113437A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2560443Y2 (ja) * 1991-04-26 1998-01-21 株式会社東海理化電機製作所 部品の取付装置
JP5331675B2 (ja) * 2009-12-28 2013-10-30 株式会社日立製作所 多孔質体の流動抵抗値算出方法及びその装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747028B2 (da) * 1979-06-12 1982-10-06

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747028U (da) * 1980-08-29 1982-03-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747028B2 (da) * 1979-06-12 1982-10-06

Also Published As

Publication number Publication date
JPS60113437A (ja) 1985-06-19

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