JPH0426214B2 - - Google Patents

Info

Publication number
JPH0426214B2
JPH0426214B2 JP58229706A JP22970683A JPH0426214B2 JP H0426214 B2 JPH0426214 B2 JP H0426214B2 JP 58229706 A JP58229706 A JP 58229706A JP 22970683 A JP22970683 A JP 22970683A JP H0426214 B2 JPH0426214 B2 JP H0426214B2
Authority
JP
Japan
Prior art keywords
cavity
resin
runner
mold
secondary pressure
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
JP58229706A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60121729A (ja
Inventor
Tooru Nomura
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP22970683A priority Critical patent/JPS60121729A/ja
Publication of JPS60121729A publication Critical patent/JPS60121729A/ja
Publication of JPH0426214B2 publication Critical patent/JPH0426214B2/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
    • 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
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006—Degassing moulding material or draining off gas during moulding
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3406—Components, e.g. resistors

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)
JP22970683A 1983-12-05 1983-12-05 半導体樹脂封止金型 Granted JPS60121729A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22970683A JPS60121729A (ja) 1983-12-05 1983-12-05 半導体樹脂封止金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22970683A JPS60121729A (ja) 1983-12-05 1983-12-05 半導体樹脂封止金型

Publications (2)

Publication Number Publication Date
JPS60121729A JPS60121729A (ja) 1985-06-29
JPH0426214B2 true JPH0426214B2 (enrdf_load_stackoverflow) 1992-05-06

Family

ID=16896418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22970683A Granted JPS60121729A (ja) 1983-12-05 1983-12-05 半導体樹脂封止金型

Country Status (1)

Country Link
JP (1) JPS60121729A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037400U (enrdf_load_stackoverflow) * 1973-07-26 1975-04-18
JPS5351256A (en) * 1976-10-22 1978-05-10 Hitachi Ltd Mold for forming resin

Also Published As

Publication number Publication date
JPS60121729A (ja) 1985-06-29

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