DE69114930D1 - Weichlotflussmittel und Verfahren zu ihrer Verwendung beim Herstellen und Aufsetzen von gedruckten Schaltungsplatten. - Google Patents

Weichlotflussmittel und Verfahren zu ihrer Verwendung beim Herstellen und Aufsetzen von gedruckten Schaltungsplatten.

Info

Publication number
DE69114930D1
DE69114930D1 DE69114930T DE69114930T DE69114930D1 DE 69114930 D1 DE69114930 D1 DE 69114930D1 DE 69114930 T DE69114930 T DE 69114930T DE 69114930 T DE69114930 T DE 69114930T DE 69114930 D1 DE69114930 D1 DE 69114930D1
Authority
DE
Germany
Prior art keywords
manufacture
mounting
printed circuit
circuit boards
soldering flux
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
DE69114930T
Other languages
English (en)
Other versions
DE69114930T2 (de
Inventor
Courtney V Dodd
Gregory C Munie
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Publication of DE69114930D1 publication Critical patent/DE69114930D1/de
Application granted granted Critical
Publication of DE69114930T2 publication Critical patent/DE69114930T2/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Paints Or Removers (AREA)
  • Detergent Compositions (AREA)
DE69114930T 1990-07-02 1991-06-25 Weichlotflussmittel und Verfahren zu ihrer Verwendung beim Herstellen und Aufsetzen von gedruckten Schaltungsplatten. Expired - Fee Related DE69114930T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/546,646 US5009724A (en) 1990-07-02 1990-07-02 Soldering flux and method of its use in fabricating and assembling circuit boards

Publications (2)

Publication Number Publication Date
DE69114930D1 true DE69114930D1 (de) 1996-01-11
DE69114930T2 DE69114930T2 (de) 1996-07-11

Family

ID=24181363

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114930T Expired - Fee Related DE69114930T2 (de) 1990-07-02 1991-06-25 Weichlotflussmittel und Verfahren zu ihrer Verwendung beim Herstellen und Aufsetzen von gedruckten Schaltungsplatten.

Country Status (4)

Country Link
US (1) US5009724A (de)
EP (1) EP0466355B1 (de)
JP (1) JP2609378B2 (de)
DE (1) DE69114930T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198038A (en) * 1990-05-15 1993-03-30 Hughes Aircraft Company Foaming flux for automatic soldering process
US5069730A (en) * 1991-01-28 1991-12-03 At&T Bell Laboratories Water-soluble soldering paste
US5127571A (en) * 1991-10-31 1992-07-07 International Business Machines Corporation Water soluble soldering preflux and method of application
US5215602A (en) * 1992-05-29 1993-06-01 At&T Bell Laboratories Water-soluble flux
US6077725A (en) * 1992-09-03 2000-06-20 Lucent Technologies Inc Method for assembling multichip modules
US5297721A (en) * 1992-11-19 1994-03-29 Fry's Metals, Inc. No-clean soldering flux and method using the same
US5571340A (en) * 1994-09-09 1996-11-05 Fry's Metals, Inc. Rosin-free, low VOC, no-clean soldering flux and method using the same
US7108755B2 (en) * 2002-07-30 2006-09-19 Motorola, Inc. Simplification of ball attach method using super-saturated fine crystal flux
US20050067468A1 (en) * 2003-09-30 2005-03-31 Daoqiang Lu Fluxes for flip chip assembly using water soluble polymers
US20070284412A1 (en) * 2006-05-31 2007-12-13 Prakash Anna M Solder flux composition
US7780801B2 (en) * 2006-07-26 2010-08-24 International Business Machines Corporation Flux composition and process for use thereof
CN101234460B (zh) * 2007-02-01 2010-11-10 上海化工研究院 水溶性热浸镀锡助焊剂及其制备方法
US7956114B2 (en) * 2009-03-09 2011-06-07 Raytheon Company Water immiscible rosin mildly activated flux
CN101890595B (zh) * 2010-07-02 2012-07-04 厦门大学 一种用于无铅药芯焊丝的低松香免清洗助焊剂及其制备方法
CN103521952A (zh) * 2012-07-06 2014-01-22 重庆微世特电子材料有限公司 粘焊两用型无卤电子助剂及其制备方法
US8887981B2 (en) 2013-03-15 2014-11-18 Raytheon Company Temporary adhesive for component bonding
CN104772581B (zh) * 2015-04-28 2016-07-06 苏州永创达电子有限公司 一种助焊剂
CN108326470B (zh) * 2017-12-11 2020-12-04 五河县俊宝钢结构有限公司 一种环保水清洗型助焊剂
CN108465984B (zh) * 2018-06-28 2020-09-04 广东剑鑫科技股份有限公司 一种无卤水溶性助焊剂及其制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806808A (en) * 1953-02-16 1957-09-17 Muetzel Peter Siegfried Soldering fluxes
US3158120A (en) * 1960-10-17 1964-11-24 Fairmount Chem Core solder
US3746620A (en) * 1971-07-13 1973-07-17 Nl Industries Inc Water soluble flux composition
US4153482A (en) * 1977-11-15 1979-05-08 Chevron Research Company Process for soldering using a phosphorus-containing liquid flux
US4151015A (en) * 1977-12-02 1979-04-24 Lake Chemical Company Flux for use in soldering
US4342607A (en) * 1981-01-05 1982-08-03 Western Electric Company, Inc. Solder flux
US4441938A (en) * 1983-03-29 1984-04-10 International Business Machines Corporation Soldering flux
US4478650A (en) * 1983-10-19 1984-10-23 At&T Technologies, Inc. Water soluble flux
US4561913A (en) * 1984-03-12 1985-12-31 At&T Technologies, Inc. Soldering flux additive
SE457335B (sv) * 1984-07-20 1988-12-19 Ytkemiska Inst Flussmedel foer mjukloedning samt foerfarande foer mjukloedning med anvaendning av flussmedlet
JPS61242790A (ja) * 1985-04-19 1986-10-29 Asahi Kagaku Kenkyusho:Kk 半田付け用フラツクス
JPS62137195A (ja) * 1985-12-10 1987-06-20 Sanko Kagaku Kk ハンダ用フラツクス組成物
GB8628916D0 (en) * 1986-12-03 1987-01-07 Multicore Solders Ltd Solder composition
US4940498A (en) * 1989-08-14 1990-07-10 Multicore Solders Limited Flux composition

Also Published As

Publication number Publication date
JPH04237593A (ja) 1992-08-26
DE69114930T2 (de) 1996-07-11
JP2609378B2 (ja) 1997-05-14
US5009724A (en) 1991-04-23
EP0466355B1 (de) 1995-11-29
EP0466355A1 (de) 1992-01-15

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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