GB2191142B - Self-cleaning mold and method - Google Patents

Self-cleaning mold and method

Info

Publication number
GB2191142B
GB2191142B GB8709466A GB8709466A GB2191142B GB 2191142 B GB2191142 B GB 2191142B GB 8709466 A GB8709466 A GB 8709466A GB 8709466 A GB8709466 A GB 8709466A GB 2191142 B GB2191142 B GB 2191142B
Authority
GB
United Kingdom
Prior art keywords
self
cleaning mold
mold
cleaning
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
GB8709466A
Other versions
GB2191142A (en
GB8709466D0 (en
Inventor
John Baird
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB8709466D0 publication Critical patent/GB8709466D0/en
Publication of GB2191142A publication Critical patent/GB2191142A/en
Application granted granted Critical
Publication of GB2191142B publication Critical patent/GB2191142B/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/50Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
    • H01L21/56Encapsulations, e.g. encapsulation layers, coatings
    • H01L21/565Moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14639Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
    • B29C45/14655Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components connected to or mounted on a carrier, e.g. lead frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2608Mould seals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
GB8709466A 1986-06-02 1987-04-22 Self-cleaning mold and method Expired GB2191142B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86964386A 1986-06-02 1986-06-02

Publications (3)

Publication Number Publication Date
GB8709466D0 GB8709466D0 (en) 1987-05-28
GB2191142A GB2191142A (en) 1987-12-09
GB2191142B true GB2191142B (en) 1989-12-13

Family

ID=25353985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8709466A Expired GB2191142B (en) 1986-06-02 1987-04-22 Self-cleaning mold and method

Country Status (4)

Country Link
KR (1) KR950005709B1 (en)
GB (1) GB2191142B (en)
HK (1) HK26492A (en)
SG (1) SG19692G (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478517A (en) * 1994-02-28 1995-12-26 Gennum Corporation Method for molding IC chips

Also Published As

Publication number Publication date
GB2191142A (en) 1987-12-09
SG19692G (en) 1992-04-16
GB8709466D0 (en) 1987-05-28
HK26492A (en) 1992-04-16
KR950005709B1 (en) 1995-05-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960422