DE69118548D1 - Verfahren zur leiterplattenreinigung mittels wasser - Google Patents

Verfahren zur leiterplattenreinigung mittels wasser

Info

Publication number
DE69118548D1
DE69118548D1 DE69118548T DE69118548T DE69118548D1 DE 69118548 D1 DE69118548 D1 DE 69118548D1 DE 69118548 T DE69118548 T DE 69118548T DE 69118548 T DE69118548 T DE 69118548T DE 69118548 D1 DE69118548 D1 DE 69118548D1
Authority
DE
Germany
Prior art keywords
boiling point
acid
water
alcohols
point alcohols
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
DE69118548T
Other languages
English (en)
Other versions
DE69118548T2 (de
Inventor
James Davis
Robert Pennisi
Fadia Nounou
Bobby Landreth
Robert Mulligan
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 DE69118548D1 publication Critical patent/DE69118548D1/de
Application granted granted Critical
Publication of DE69118548T2 publication Critical patent/DE69118548T2/de
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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3489—Composition of fluxes; Methods of application thereof; Other methods of activating the contact surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3612—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
    • B23K35/3618—Carboxylic acids or salts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Processing Of Solid Wastes (AREA)
  • Detergent Compositions (AREA)
  • Manufacturing Of Printed Wiring (AREA)
DE69118548T 1990-09-17 1991-08-13 Verfahren zur leiterplattenreinigung mittels wasser Expired - Fee Related DE69118548T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/583,629 US5092943A (en) 1990-09-17 1990-09-17 Method of cleaning printed circuit boards using water
PCT/US1991/005759 WO1992005008A1 (en) 1990-09-17 1991-08-13 Method of cleaning printed circuit boards using water

Publications (2)

Publication Number Publication Date
DE69118548D1 true DE69118548D1 (de) 1996-05-09
DE69118548T2 DE69118548T2 (de) 1996-10-31

Family

ID=24333925

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118548T Expired - Fee Related DE69118548T2 (de) 1990-09-17 1991-08-13 Verfahren zur leiterplattenreinigung mittels wasser

Country Status (5)

Country Link
US (1) US5092943A (de)
EP (1) EP0549616B1 (de)
AT (1) ATE136243T1 (de)
DE (1) DE69118548T2 (de)
WO (1) WO1992005008A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995020460A1 (en) * 1994-01-27 1995-08-03 Indium Corporation Of America Solder paste utilizing aromatic carboxylic acids
US5507882A (en) * 1994-02-28 1996-04-16 Delco Electronics Corporation Low residue water-based soldering flux and process for soldering with same
US5615827A (en) * 1994-05-31 1997-04-01 International Business Machines Corporation Flux composition and corresponding soldering method
US5443660A (en) * 1994-10-24 1995-08-22 Ford Motor Company Water-based no-clean flux formulation
US5447577A (en) * 1994-10-24 1995-09-05 Ford Motor Company Carbon dioxide-based fluxing media for non-VOC, no-clean soldering
DE69635203T2 (de) * 1995-07-11 2006-06-29 Delphi Technologies, Inc., Troy Beschichtungen und Verfahren, insbesondere für Leiterplatten
US5958151A (en) * 1996-07-22 1999-09-28 Ford Global Technologies, Inc. Fluxing media for non-VOC, no-clean soldering
JP3785435B2 (ja) * 1998-08-27 2006-06-14 株式会社デンソー はんだペーストおよび表面実装型電子装置
US6585150B1 (en) 2000-10-12 2003-07-01 International Business Machines Corporation Solder protective coating and fluxless joining of flip chip devices on laminates with plated solder

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898255A (en) * 1958-06-30 1959-08-04 Ibm Soldering flux composition
US3436278A (en) * 1966-08-08 1969-04-01 Ibm Glycol soldering fluxes
US3734791A (en) * 1970-10-23 1973-05-22 Ibm Surfactant-containing soldering fluxes
US3796610A (en) * 1972-09-28 1974-03-12 Ibm Glycerol soldering fluxes
US4460414A (en) * 1983-10-31 1984-07-17 Scm Corporation Solder paste and vehicle therefor
US4541876A (en) * 1983-10-31 1985-09-17 Scm Corporation Nonaqueous powdered metal paste composition
US4601763A (en) * 1984-10-11 1986-07-22 Lgz Landis & Gyr Zug Ag Method for the mechanical soft-soldering of heavy metals utilizing a fluxing agent
US4708751A (en) * 1984-12-14 1987-11-24 Alpha Grillo-Lotsysteme Gmbh Halogen-free foam fluxes
GB8628916D0 (en) * 1986-12-03 1987-01-07 Multicore Solders Ltd Solder composition
US4738732A (en) * 1987-02-04 1988-04-19 Hughes Aircraft Co. Self cleaning liquid solder flux
US4940498A (en) * 1989-08-14 1990-07-10 Multicore Solders Limited Flux composition
US5064481A (en) * 1990-05-17 1991-11-12 Motorola, Inc. Use or organic acids in low residue solder pastes

Also Published As

Publication number Publication date
EP0549616B1 (de) 1996-04-03
US5092943A (en) 1992-03-03
WO1992005008A1 (en) 1992-04-02
ATE136243T1 (de) 1996-04-15
DE69118548T2 (de) 1996-10-31
EP0549616A4 (de) 1994-01-19
EP0549616A1 (de) 1993-07-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee