DE2738981C2 - Konzentrationssteuerung in Prozeßflüssigkeiten - Google Patents

Konzentrationssteuerung in Prozeßflüssigkeiten

Info

Publication number
DE2738981C2
DE2738981C2 DE2738981A DE2738981A DE2738981C2 DE 2738981 C2 DE2738981 C2 DE 2738981C2 DE 2738981 A DE2738981 A DE 2738981A DE 2738981 A DE2738981 A DE 2738981A DE 2738981 C2 DE2738981 C2 DE 2738981C2
Authority
DE
Germany
Prior art keywords
concentrate
value
process liquid
sensor
solution
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
Application number
DE2738981A
Other languages
German (de)
English (en)
Other versions
DE2738981A1 (de
Inventor
Fabian Poughkeepsie N.Y. Kubilius
Gary Frank Beacon N.Y. Pavlovic
Jerome Newburgh N.Y. Woolf
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2738981A1 publication Critical patent/DE2738981A1/de
Application granted granted Critical
Publication of DE2738981C2 publication Critical patent/DE2738981C2/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03DAPPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D3/00Liquid processing apparatus involving immersion; Washing apparatus involving immersion
    • G03D3/02Details of liquid circulation
    • G03D3/06Liquid supply; Liquid circulation outside tanks
    • G03D3/065Liquid supply; Liquid circulation outside tanks replenishment or recovery apparatus
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2496Self-proportioning or correlating systems
    • Y10T137/2499Mixture condition maintaining or sensing
    • Y10T137/2509By optical or chemical property

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • ing And Chemical Polishing (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
DE2738981A 1976-09-02 1977-08-30 Konzentrationssteuerung in Prozeßflüssigkeiten Expired DE2738981C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/719,777 US4013039A (en) 1976-09-02 1976-09-02 Wet processing PH control

Publications (2)

Publication Number Publication Date
DE2738981A1 DE2738981A1 (de) 1978-03-09
DE2738981C2 true DE2738981C2 (de) 1983-12-22

Family

ID=24891318

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2738981A Expired DE2738981C2 (de) 1976-09-02 1977-08-30 Konzentrationssteuerung in Prozeßflüssigkeiten

Country Status (7)

Country Link
US (1) US4013039A (OSRAM)
JP (1) JPS5943549B2 (OSRAM)
CA (1) CA1087711A (OSRAM)
DE (1) DE2738981C2 (OSRAM)
FR (1) FR2363828A1 (OSRAM)
GB (1) GB1530055A (OSRAM)
IT (1) IT1114118B (OSRAM)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50121798A (OSRAM) * 1974-03-14 1975-09-23
JPS5561003A (en) * 1978-10-31 1980-05-08 Seiko Epson Corp Manufacture of intermetallic compound magnet
JPS55162049A (en) * 1979-06-05 1980-12-17 Olympus Optical Co Ltd Specimen coating device
JPS5633934A (en) * 1979-08-29 1981-04-04 Matsushita Electric Ind Co Ltd Production of resin magnet
DE3301635A1 (de) * 1983-01-19 1984-07-26 Siemens AG, 1000 Berlin und 8000 München Herstellung von leitfaehigen kunststoffen
JPS6048884B2 (ja) * 1984-05-07 1985-10-30 セイコーエプソン株式会社 金属間化合物磁石の製造方法
FI80729C (fi) * 1988-04-07 1990-07-10 Vesa Hakulinen Foerfarande och anordning foer dosering av tvaettmedel.
EP0552511A1 (en) * 1992-01-20 1993-07-28 Agfa-Gevaert N.V. Method for controlling the PH of an ascorbic acid type developer
US5876359A (en) * 1994-11-14 1999-03-02 Bock; Malcolm G. Sequential compression device controller
US6298577B1 (en) 1999-07-19 2001-10-09 Concept Cleaning Systems, Inc. Device for enhancing removal of liquid from fabric
US6266892B1 (en) 1999-07-19 2001-07-31 Concept Cleaning Systems, Inc. Device for enhancing removal of liquid from fabric
US7185516B2 (en) * 2002-05-31 2007-03-06 Owens Corning Fiberglas Technology, Inc. Washwater neutralization system for glass forming line
US20080184520A1 (en) * 2006-09-14 2008-08-07 Wolfe Kevin A Self-propelled extraction systems and methods
US8510902B2 (en) 2007-12-03 2013-08-20 Dri-Eaz Products, Inc. Air induction hard surface cleaning tool with an internal baffle
USD684737S1 (en) 2011-08-31 2013-06-18 Dri-Eaz Products, Inc. Extractor housing
US9195238B2 (en) 2012-06-15 2015-11-24 Sapphire Scientific, Inc. Waste water vessels with multiple valved chambers, and associated systems and methods
US9351622B2 (en) 2012-09-04 2016-05-31 Sapphire Scientific Inc. Fluid extracting device with shaped head and associated systems and methods of use and manufacture
USD701661S1 (en) 2012-09-04 2014-03-25 Dri-Eaz Products, Inc. Extractor port housing
US10060641B2 (en) 2015-02-25 2018-08-28 Dri-Eaz Products, Inc. Systems and methods for drying roofs

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368525A (en) * 1965-10-04 1968-02-13 American Photocopy Equip Co Liquid developer system for photocopy machine
US3452710A (en) * 1967-06-06 1969-07-01 Baker & Gubbins Co Liquid applicator system
GB1245102A (en) * 1968-02-15 1971-09-08 Norma Craik Harper Automatic control of chemical concentration
US3554212A (en) * 1968-06-19 1971-01-12 Ritter Pfaudler Corp Chemical feed controller
US3677222A (en) * 1969-02-24 1972-07-18 Canon Kk Device for automatically regulating the concentration of developing solution

Also Published As

Publication number Publication date
GB1530055A (en) 1978-10-25
JPS5943549B2 (ja) 1984-10-23
FR2363828A1 (fr) 1978-03-31
JPS5334640A (en) 1978-03-31
CA1087711A (en) 1980-10-14
IT1114118B (it) 1986-01-27
FR2363828B1 (OSRAM) 1980-01-04
US4013039A (en) 1977-03-22
DE2738981A1 (de) 1978-03-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8380 Miscellaneous part iii

Free format text: DER VERTRETER IST NACHZUTRAGEN BLUTGE, K., DIPL.-ING., PAT.-ASS., 7030 BOEBLINGEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee