GB2399914B - Signal routing and shield assignment using preferential shielding - Google Patents

Signal routing and shield assignment using preferential shielding

Info

Publication number
GB2399914B
GB2399914B GB0411813A GB0411813A GB2399914B GB 2399914 B GB2399914 B GB 2399914B GB 0411813 A GB0411813 A GB 0411813A GB 0411813 A GB0411813 A GB 0411813A GB 2399914 B GB2399914 B GB 2399914B
Authority
GB
United Kingdom
Prior art keywords
assignment
shield
signal routing
preferential
shielding
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 - Fee Related
Application number
GB0411813A
Other versions
GB2399914A (en
GB0411813D0 (en
Inventor
Sudhakar Bobba
Tyler J Thorp
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.)
Sun Microsystems Inc
Original Assignee
Sun Microsystems 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
Priority claimed from US09/997,918 external-priority patent/US6629306B2/en
Priority claimed from US09/997,435 external-priority patent/US6721936B2/en
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Publication of GB0411813D0 publication Critical patent/GB0411813D0/en
Publication of GB2399914A publication Critical patent/GB2399914A/en
Application granted granted Critical
Publication of GB2399914B publication Critical patent/GB2399914B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/002—Casings with localised screening
    • H05K9/0039—Galvanic coupling of ground layer on printed circuit board [PCB] to conductive casing

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB0411813A 2001-11-30 2002-11-27 Signal routing and shield assignment using preferential shielding Expired - Fee Related GB2399914B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/997,918 US6629306B2 (en) 2001-11-30 2001-11-30 Signal routing based approach for increasing decoupling capacitance using preferential shielding
US09/997,435 US6721936B2 (en) 2001-11-30 2001-11-30 Shield assignment using preferential shields
PCT/US2002/037889 WO2003049520A1 (en) 2001-11-30 2002-11-27 Signal routing and shield assignment using preferential shielding

Publications (3)

Publication Number Publication Date
GB0411813D0 GB0411813D0 (en) 2004-06-30
GB2399914A GB2399914A (en) 2004-09-29
GB2399914B true GB2399914B (en) 2005-03-02

Family

ID=27130674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0411813A Expired - Fee Related GB2399914B (en) 2001-11-30 2002-11-27 Signal routing and shield assignment using preferential shielding

Country Status (3)

Country Link
AU (1) AU2002365836A1 (en)
GB (1) GB2399914B (en)
WO (1) WO2003049520A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027321A (en) * 1989-11-21 1991-06-25 Intel Corporation Apparatus and method for improved reading/programming of virtual ground EPROM arrays
EP0575892A1 (en) * 1992-06-17 1993-12-29 Mitsubishi Denki Kabushiki Kaisha Semiconducteur power module
US6229095B1 (en) * 1998-10-01 2001-05-08 Nec Corporation Multilayer wiring board

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027321A (en) * 1989-11-21 1991-06-25 Intel Corporation Apparatus and method for improved reading/programming of virtual ground EPROM arrays
EP0575892A1 (en) * 1992-06-17 1993-12-29 Mitsubishi Denki Kabushiki Kaisha Semiconducteur power module
US6229095B1 (en) * 1998-10-01 2001-05-08 Nec Corporation Multilayer wiring board

Also Published As

Publication number Publication date
WO2003049520A1 (en) 2003-06-12
GB2399914A (en) 2004-09-29
AU2002365836A1 (en) 2003-06-17
GB0411813D0 (en) 2004-06-30

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Legal Events

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

Effective date: 20061127