EP0723472A1 - Cleaning method - Google Patents

Cleaning method

Info

Publication number
EP0723472A1
EP0723472A1 EP94928973A EP94928973A EP0723472A1 EP 0723472 A1 EP0723472 A1 EP 0723472A1 EP 94928973 A EP94928973 A EP 94928973A EP 94928973 A EP94928973 A EP 94928973A EP 0723472 A1 EP0723472 A1 EP 0723472A1
Authority
EP
European Patent Office
Prior art keywords
water
solvent
miscible
solvents
cleaning
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.)
Withdrawn
Application number
EP94928973A
Other languages
German (de)
English (en)
French (fr)
Inventor
Douglas Peter Galbraith
Neil Poole
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.)
BP Chemicals Ltd
Original Assignee
BP Chemicals Ltd
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 BP Chemicals Ltd filed Critical BP Chemicals Ltd
Publication of EP0723472A1 publication Critical patent/EP0723472A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
    • C23G5/032—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing oxygen-containing compounds
    • 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
    • H05K3/26—Cleaning or polishing of the conductive pattern
    • 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
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
    • H05K2203/0756—Uses of liquids, e.g. rinsing, coating, dissolving
    • H05K2203/0766—Rinsing, e.g. after cleaning or polishing a conductive pattern
    • 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
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
    • H05K2203/0779—Treatments involving liquids, e.g. plating, rinsing characterised by the specific liquids involved
    • H05K2203/0783—Using solvent, e.g. for cleaning; Regulating solvent content of pastes or coatings for adjusting the viscosity
    • 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
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/15—Position of the PCB during processing
    • H05K2203/1518—Vertically held PCB

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP94928973A 1993-10-13 1994-10-12 Cleaning method Withdrawn EP0723472A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9321067 1993-10-13
GB939321067A GB9321067D0 (en) 1993-10-13 1993-10-13 Cleaning method and apparatus
PCT/GB1994/002223 WO1995010343A1 (en) 1993-10-13 1994-10-12 Cleaning method

Publications (1)

Publication Number Publication Date
EP0723472A1 true EP0723472A1 (en) 1996-07-31

Family

ID=10743436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94928973A Withdrawn EP0723472A1 (en) 1993-10-13 1994-10-12 Cleaning method

Country Status (5)

Country Link
EP (1) EP0723472A1 (fi)
AU (1) AU7819394A (fi)
FI (1) FI961633A (fi)
GB (2) GB9321067D0 (fi)
WO (1) WO1995010343A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105792537B (zh) * 2016-04-28 2019-01-29 深圳市山木电子设备有限公司 一种pcba离线清洗机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1745285A1 (ru) * 1989-07-24 1992-07-07 Научно-исследовательский институт автоматики и приборостроения Способ очистки органических растворителей
DE4002154A1 (de) * 1990-01-25 1991-08-01 Enowa Eberhard Nowak Verfahren und vorrichtung zum reinigen von chemisch behandelten teilen, z. b. leiterplatten
DE4012022C1 (fi) * 1990-04-13 1991-07-25 Duerr Gmbh
DE4124246A1 (de) * 1991-07-22 1993-01-28 Henkel Kgaa Reinigungsmittel fuer elektronische und elektrische baugruppen
US5190065A (en) * 1991-11-29 1993-03-02 International Business Machines Corporation Self-contained washing unit for printed circuit boards

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9510343A1 *

Also Published As

Publication number Publication date
FI961633A0 (fi) 1996-04-12
GB2282749A8 (en) 1996-07-29
GB2282749B (en) 1997-03-19
WO1995010343A1 (en) 1995-04-20
AU7819394A (en) 1995-05-04
FI961633A (fi) 1996-04-12
GB2282749A (en) 1995-04-19
GB9420574D0 (en) 1994-11-30
GB9321067D0 (en) 1993-12-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19960402

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE CH DE ES FR GB IT LI LU NL SE

17Q First examination report despatched

Effective date: 19971119

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19980331