CA2994559C - Enhanced liquid detection mechanisms for circuit cards - Google Patents

Enhanced liquid detection mechanisms for circuit cards Download PDF

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Publication number
CA2994559C
CA2994559C CA2994559A CA2994559A CA2994559C CA 2994559 C CA2994559 C CA 2994559C CA 2994559 A CA2994559 A CA 2994559A CA 2994559 A CA2994559 A CA 2994559A CA 2994559 C CA2994559 C CA 2994559C
Authority
CA
Canada
Prior art keywords
circuit card
channel
artwork
detection
detection artwork
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.)
Active
Application number
CA2994559A
Other languages
English (en)
French (fr)
Other versions
CA2994559A1 (en
Inventor
Steven Mikulak
Samuel Allen Carswell
Joseph Rhoads Winston
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.)
Safran Passenger Innovations LLC
Original Assignee
Systems and Software Enterprises LLC
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 Systems and Software Enterprises LLC filed Critical Systems and Software Enterprises LLC
Publication of CA2994559A1 publication Critical patent/CA2994559A1/en
Application granted granted Critical
Publication of CA2994559C publication Critical patent/CA2994559C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H02H5/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays responsive to the entry or leakage of a liquid into an electrical appliance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
    • 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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/28—Applying non-metallic protective coatings
    • H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0266—Marks, test patterns or identification means
    • H05K1/0268—Marks, test patterns or identification means for electrical inspection or testing
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0272—Adaptations for fluid transport, e.g. channels, holes
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
    • H05K2201/09909—Special local insulating pattern, e.g. as dam around component
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10151—Sensor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Structure Of Printed Boards (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Storage Device Security (AREA)
CA2994559A 2015-09-16 2016-09-16 Enhanced liquid detection mechanisms for circuit cards Active CA2994559C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562219561P 2015-09-16 2015-09-16
US62/219,561 2015-09-16
PCT/US2016/052307 WO2017049203A1 (en) 2015-09-16 2016-09-16 Enhanced liquid detection mechanisms for circuit cards

Publications (2)

Publication Number Publication Date
CA2994559A1 CA2994559A1 (en) 2017-03-23
CA2994559C true CA2994559C (en) 2018-10-23

Family

ID=58239058

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2994559A Active CA2994559C (en) 2015-09-16 2016-09-16 Enhanced liquid detection mechanisms for circuit cards

Country Status (6)

Country Link
US (1) US10090669B2 (https=)
EP (1) EP3350559B1 (https=)
JP (1) JP6416437B2 (https=)
BR (1) BR112018005093B8 (https=)
CA (1) CA2994559C (https=)
WO (1) WO2017049203A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016069018A1 (en) * 2014-10-31 2016-05-06 Hewlett Packard Enterprise Development Lp Server device with capacitive circuit

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297686A (en) 1979-10-01 1981-10-27 Tom M Dale Water detection device
JPH10242902A (ja) * 1997-02-27 1998-09-11 Sanyo Electric Co Ltd 屋外設置用筐体及び移動体通信用屋外基地局
JPH11135955A (ja) * 1997-10-28 1999-05-21 Kyocera Corp 筺体の浸水検知構造
JP3678897B2 (ja) * 1998-01-07 2005-08-03 株式会社オートネットワーク技術研究所 水濡れ検知機能を備えた電子制御ユニットおよび水濡れ検知センサ
JP3793359B2 (ja) * 1998-11-30 2006-07-05 株式会社オートネットワーク技術研究所 水濡れセンサ及び水濡れセンサを備えた電子制御回路基板
US6175310B1 (en) * 1999-05-10 2001-01-16 Richard J. Gott Leak detection tape
JP2001356690A (ja) * 2000-06-12 2001-12-26 Sony Corp 水濡れ判定ラベル及び電子機器
US7217354B2 (en) * 2003-08-29 2007-05-15 Ut-Battelle, Llc Method and apparatus for detection of chemical vapors
US7582537B2 (en) * 2004-12-15 2009-09-01 Lg Electronics Inc. Zener diode and methods for fabricating and packaging same
JP2006208219A (ja) * 2005-01-28 2006-08-10 Victor Co Of Japan Ltd 水滴浸入検出装置
JP2008107985A (ja) * 2006-10-24 2008-05-08 Toshiba Corp 電子機器および電気機器の制御方法
US8482305B2 (en) * 2010-08-11 2013-07-09 Apple Inc. Mechanisms for detecting exposure to water in an electronic device
FR2985153B1 (fr) * 2011-12-23 2017-07-28 Cie Ind Et Financiere D'ingenierie Ingenico Dispositif de protection d'un circuit imprime electronique.
US9146207B2 (en) * 2012-01-10 2015-09-29 Hzo, Inc. Methods, apparatuses and systems for sensing exposure of electronic devices to moisture
JP5693515B2 (ja) * 2012-01-10 2015-04-01 エイチズィーオー・インコーポレーテッド 内部耐水性被覆を備える電子デバイス
US10126263B2 (en) * 2012-10-16 2018-11-13 Koninklijke Philips N.V. Wide dynamic range fluid sensor based on nanowire platform
EP2755023B1 (en) * 2013-01-11 2017-06-21 MEAS France Capacitive sensor integrated onto semiconductor circuit
TW201437636A (zh) * 2013-03-22 2014-10-01 Ichia Tech Inc 生物液體的測試片製作方法及其結構

Also Published As

Publication number Publication date
WO2017049203A1 (en) 2017-03-23
JP2018526637A (ja) 2018-09-13
EP3350559A4 (en) 2019-07-03
BR112018005093B1 (pt) 2022-10-04
BR112018005093A2 (https=) 2018-10-02
JP6416437B2 (ja) 2018-10-31
US10090669B2 (en) 2018-10-02
EP3350559A1 (en) 2018-07-25
CA2994559A1 (en) 2017-03-23
EP3350559B1 (en) 2021-01-06
US20170077694A1 (en) 2017-03-16
BR112018005093B8 (pt) 2023-04-18

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