SE7601433L - Virvelstromssond for icke-forstorande provning av beskaffenheten hos elektriskt ledande beleggning, i synnerhet i genomgaende hal i tryckta kretskort - Google Patents

Virvelstromssond for icke-forstorande provning av beskaffenheten hos elektriskt ledande beleggning, i synnerhet i genomgaende hal i tryckta kretskort

Info

Publication number
SE7601433L
SE7601433L SE7601433A SE7601433A SE7601433L SE 7601433 L SE7601433 L SE 7601433L SE 7601433 A SE7601433 A SE 7601433A SE 7601433 A SE7601433 A SE 7601433A SE 7601433 L SE7601433 L SE 7601433L
Authority
SE
Sweden
Prior art keywords
hall
nature
throughout
electrically conductive
conductive coating
Prior art date
Application number
SE7601433A
Other languages
English (en)
Other versions
SE410659B (sv
Inventor
V I Rogachev
V V Sukhorukov
P N Shkatov
Original Assignee
Mo Energeticheskij Institut
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 Mo Energeticheskij Institut filed Critical Mo Energeticheskij Institut
Publication of SE7601433L publication Critical patent/SE7601433L/sv
Publication of SE410659B publication Critical patent/SE410659B/sv

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9006—Details, e.g. in the structure or functioning of sensors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
SE7601433A 1975-02-11 1976-02-10 Virvelstromssond for icke-forstorande provning av beskaffenheten hos en elektriskt ledande beleggning i hal i tryckta kretskort SE410659B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7502100851A SU563616A1 (ru) 1975-02-11 1975-02-11 Токовихревой преобразователь

Publications (2)

Publication Number Publication Date
SE7601433L true SE7601433L (sv) 1976-08-12
SE410659B SE410659B (sv) 1979-10-22

Family

ID=20608711

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7601433A SE410659B (sv) 1975-02-11 1976-02-10 Virvelstromssond for icke-forstorande provning av beskaffenheten hos en elektriskt ledande beleggning i hal i tryckta kretskort

Country Status (3)

Country Link
US (1) US4060760A (sv)
SE (1) SE410659B (sv)
SU (1) SU563616A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446382A (en) * 1993-06-23 1995-08-29 The Babcock & Wilcox Company Eddy current probe having one yoke within another yoke for increased inspection depth, sensitivity and discrimination
US20050083048A1 (en) * 2003-10-21 2005-04-21 Applied Materials, Inc. Plating system with integrated substrate inspection
US9372208B2 (en) 2014-01-02 2016-06-21 International Business Machines Corporation Signal monitoring of through-wafer vias using a multi-layer inductor
KR20200110667A (ko) * 2018-01-18 2020-09-24 엑세라 코포레이션 인쇄 회로 기판 홀들 내에서 전기 전도성 층들을 측정하기 위한 용량성 테스트 니들

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985300A (en) * 1956-04-04 1961-05-23 Ibm Testing of magnetic materials
US3718855A (en) * 1970-11-30 1973-02-27 R Cordova Eddy current flaw detection system
US3840802A (en) * 1972-08-10 1974-10-08 Rockwell International Corp Mutual inductance coupling probe for testing the integrity of through-hole plating in printed circuit boards
US3825822A (en) * 1972-09-23 1974-07-23 F Forster Apparatus for inspecting the quality of short, electrically conductive workpieces by the eddy current test method

Also Published As

Publication number Publication date
US4060760A (en) 1977-11-29
SE410659B (sv) 1979-10-22
SU563616A1 (ru) 1977-06-30

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