DK375489A - Fremgangsmaade til ikke-destruktiv vurdering af printkort - Google Patents

Fremgangsmaade til ikke-destruktiv vurdering af printkort Download PDF

Info

Publication number
DK375489A
DK375489A DK375489A DK375489A DK375489A DK 375489 A DK375489 A DK 375489A DK 375489 A DK375489 A DK 375489A DK 375489 A DK375489 A DK 375489A DK 375489 A DK375489 A DK 375489A
Authority
DK
Denmark
Prior art keywords
procedure
print cards
destructive assessment
destructive
assessment
Prior art date
Application number
DK375489A
Other languages
English (en)
Other versions
DK375489D0 (da
Inventor
Frank A Ludwig
John Mchardy
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of DK375489D0 publication Critical patent/DK375489D0/da
Publication of DK375489A publication Critical patent/DK375489A/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/2805—Bare printed circuit boards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
DK375489A 1988-08-01 1989-07-31 Fremgangsmaade til ikke-destruktiv vurdering af printkort DK375489A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/226,709 US4939469A (en) 1988-08-01 1988-08-01 Non-destructive method for evaluation of printed wiring boards

Publications (2)

Publication Number Publication Date
DK375489D0 DK375489D0 (da) 1989-07-31
DK375489A true DK375489A (da) 1990-02-02

Family

ID=22850080

Family Applications (1)

Application Number Title Priority Date Filing Date
DK375489A DK375489A (da) 1988-08-01 1989-07-31 Fremgangsmaade til ikke-destruktiv vurdering af printkort

Country Status (5)

Country Link
US (1) US4939469A (da)
JP (1) JPH0275948A (da)
DK (1) DK375489A (da)
ES (1) ES2015748A6 (da)
IL (1) IL90797A (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0526944A (ja) * 1991-07-24 1993-02-05 Nippon Sheet Glass Co Ltd 導電パターンの検査装置
US5312536A (en) * 1992-08-25 1994-05-17 Ceridian Corporation Method and apparatus to evaluate effectiveness of cleaning systems for high density electronics
US6263294B1 (en) 1998-03-02 2001-07-17 American Competitiveness Institute, Inc. Impedance spectroscopy measurement system
US6097482A (en) * 1999-06-08 2000-08-01 Philip Morris Incorporated High speed flaw detecting system for reflective material
US6452410B1 (en) * 2000-01-05 2002-09-17 Agilent Technologies, Inc. Apparatus and method for electrolytic bare board testing
US6759862B2 (en) 2001-08-08 2004-07-06 Accu-Assembly Incorporated Method and apparatus for evaluating a set of electronic components
US6970738B1 (en) 2002-02-04 2005-11-29 Innovamedica S.A. De C.V. Complex impedance spectrometer using parallel demodulation and digital conversion
JP2003263882A (ja) * 2002-03-08 2003-09-19 Toshiba Corp ディスク装置
US6879869B2 (en) 2003-03-28 2005-04-12 Accu-Assembly Incorporated Placement of electronic components
DE10316933A1 (de) * 2003-04-12 2004-10-21 E+E Elektronik Gmbh Sensorsystem und Verfahren zu dessen Herstellung
US7164281B2 (en) * 2004-02-20 2007-01-16 Accu-Assembly Incorporated Circuit board component ambient moisture exposure monitoring
FR2869108B1 (fr) * 2004-04-15 2006-07-28 Micropulse Plating Concepts Sa Procede d'evaluation du risque d'apparition de whiskers a la surface d'un depot metallique
US7272896B2 (en) 2005-02-18 2007-09-25 Accu-Assembly Incorporated Data transfer between moisture sensors
US9086368B2 (en) 2011-02-24 2015-07-21 International Business Machines Corporation Non-destructive determination of the moisture content in an electronic circuit board using comparison of capacitance measurements acquired from test coupons, and design structure/process therefor
DE102012109228A1 (de) * 2012-09-28 2014-04-03 Osram Opto Semiconductors Gmbh Verfahren zum Ermitteln der Permeabilität einer dielektrischen Schicht eines optoelektronischen Bauelementes; Vorrichtung zum Ermitteln der Permeabilität einer dielektrischen Schicht eines optoelektronischen Bauelementes; optoelektronisches Bauelement und Verfahren zum Herstellen eines optoelektronischen Bauelementes
FR3051915B1 (fr) * 2016-05-31 2020-06-12 Thales Procede de determination d'un coefficient de derive electrique d'un circuit electronique, produit programme d'ordinateur et dispositif electronique associes
CN107607595B (zh) * 2017-09-21 2020-05-12 京东方科技集团股份有限公司 滤光片检测装置及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213996C3 (de) * 1972-03-22 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Frequenzselektiver, insbesondere im Wobbeibetrieb einsetzbarer Dämpfungsmeßplatz
US3960004A (en) * 1972-04-20 1976-06-01 Lockheed Aircraft Corporation Method for measuring impedance
US3904839A (en) * 1974-07-18 1975-09-09 Bell Telephone Labor Inc Loop fault locater
US4103228A (en) * 1977-05-16 1978-07-25 Rca Corp. Method for determining whether holes in dielectric layers are opened
US4175253A (en) * 1978-02-22 1979-11-20 Teradyne, Inc. Analyzing electrical circuit boards
US4506212A (en) * 1979-08-02 1985-03-19 The Post Office Method and apparatus for testing integrated circuits using AC test input and comparison of resulting frequency spectrum outputs
DE3045433A1 (de) * 1980-12-02 1982-07-01 Siemens AG, 1000 Berlin und 8000 München Mehrlagen-leiterplatte und verfahren zur ermittlung der ist-position innenliegender anschlussflaechen
US4565966A (en) * 1983-03-07 1986-01-21 Kollmorgen Technologies Corporation Method and apparatus for testing of electrical interconnection networks
GB2143954A (en) * 1983-07-22 1985-02-20 Sharetree Ltd A capacitive method and apparatus for checking connections of a printed circuit board
US4683422A (en) * 1985-09-20 1987-07-28 Goodson David R Low voltage continuity tester

Also Published As

Publication number Publication date
IL90797A (en) 1992-06-21
US4939469A (en) 1990-07-03
IL90797A0 (en) 1990-01-18
DK375489D0 (da) 1989-07-31
JPH0275948A (ja) 1990-03-15
ES2015748A6 (es) 1990-09-01

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment