IT8667633A1 - Sonda di misura del livello di un liquido e procedimento di fabbricazione di questa sonda. - Google Patents

Sonda di misura del livello di un liquido e procedimento di fabbricazione di questa sonda.

Info

Publication number
IT8667633A1
IT8667633A1 IT1986A67633A IT6763386A IT8667633A1 IT 8667633 A1 IT8667633 A1 IT 8667633A1 IT 1986A67633 A IT1986A67633 A IT 1986A67633A IT 6763386 A IT6763386 A IT 6763386A IT 8667633 A1 IT8667633 A1 IT 8667633A1
Authority
IT
Italy
Prior art keywords
probe
measuring
liquid
level
manufacturing process
Prior art date
Application number
IT1986A67633A
Other languages
English (en)
Other versions
IT8667633A0 (it
IT1195121B (it
Original Assignee
Veglia Sa Fracaise
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 Veglia Sa Fracaise filed Critical Veglia Sa Fracaise
Publication of IT8667633A0 publication Critical patent/IT8667633A0/it
Publication of IT8667633A1 publication Critical patent/IT8667633A1/it
Application granted granted Critical
Publication of IT1195121B publication Critical patent/IT1195121B/it

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
    • H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/4092—Integral conductive tabs, i.e. conductive parts partly detached from the substrate
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/16—Coating processes; Apparatus therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/20—Exposure; Apparatus therefor
    • G03F7/2035—Exposure; Apparatus therefor simultaneous coating and exposure; using a belt mask, e.g. endless
    • 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
    • H05K1/0237—High frequency adaptations
    • H05K1/024—Dielectric details, e.g. changing the dielectric material around a transmission line
    • 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
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/167—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed resistors
    • 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
    • H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
    • 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
    • H05K1/0237—High frequency adaptations
    • 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
    • H05K1/03—Use of materials for the substrate
    • H05K1/0393—Flexible materials
    • 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
    • H05K1/09—Use of materials for the conductive, e.g. metallic 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0332—Structure of the conductor
    • H05K2201/0335—Layered conductors or foils
    • H05K2201/0355—Metal foils
    • 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
    • H05K2201/03—Conductive materials
    • H05K2201/0332—Structure of the conductor
    • H05K2201/0388—Other aspects of conductors
    • H05K2201/0394—Conductor crossing over a hole in the substrate or a gap between two separate substrate parts
    • 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
    • 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
    • H05K2203/06—Lamination
    • H05K2203/063—Lamination of preperforated insulating layer
    • 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
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0017—Etching of the substrate by chemical or physical means
    • H05K3/002—Etching of the substrate by chemical or physical means by liquid chemical etching
    • 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
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
    • H05K3/061—Etching masks
    • 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
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
    • H05K3/061—Etching masks
    • H05K3/064—Photoresists
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
IT67633/86A 1985-08-06 1986-08-05 Sonda di misura del livello di un liquido e procedimento di fabbricazione di questa sonda IT1195121B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858512021A FR2586105B1 (fr) 1985-08-06 1985-08-06 Circuit conducteur et procede de fabrication de ce circuit

Publications (3)

Publication Number Publication Date
IT8667633A0 IT8667633A0 (it) 1986-08-05
IT8667633A1 true IT8667633A1 (it) 1988-02-05
IT1195121B IT1195121B (it) 1988-10-12

Family

ID=9322032

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67633/86A IT1195121B (it) 1985-08-06 1986-08-05 Sonda di misura del livello di un liquido e procedimento di fabbricazione di questa sonda

Country Status (5)

Country Link
US (1) US4775435A (it)
DE (1) DE3626230A1 (it)
FR (1) FR2586105B1 (it)
GB (1) GB2179746B (it)
IT (1) IT1195121B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732949C2 (de) * 1987-09-02 1996-09-26 Brodhag Angelika Vorratsbehälter für ein Rotationsentwicklungsgerät
DE3733858A1 (de) * 1987-10-07 1989-04-27 Vdo Schindling Einrichtung zum erfassen der fuellstandshoehe in fluessigkeitsbehaeltern
US5138881A (en) * 1991-02-13 1992-08-18 Spectrol Electronics Corp. Liquid level sensor including conductive plastic technology
DE4129401C2 (de) * 1991-09-04 1998-04-16 Hella Kg Hueck & Co Vorrichtung zur Messung des Flüssigkeitsfüllstandes in Flüssigkeitsbehältern, insbesondere des Ölstandes in Brennkraftmaschinen von Kraftfahrzeugen
US5863445A (en) * 1997-03-27 1999-01-26 Control Screening L.L.C. Etched coil unibody digital detector

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3115423A (en) * 1955-06-13 1963-12-24 Ass Elect Ind Manchester Ltd Manufacture of printed electrical circuits
US3370262A (en) * 1963-05-27 1968-02-20 Sprague Electric Co Electrical resistor
US3380156A (en) * 1965-11-15 1968-04-30 Trw Inc Method of fabricating thin film resistors
US3436817A (en) * 1967-02-13 1969-04-08 Us Air Force Method of making fringing field controlled thin film active device
GB1484906A (en) * 1974-11-28 1977-09-08 Oce Van Der Grinten Nv Photoconductive element
DE2507731C3 (de) * 1975-02-22 1978-09-07 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Meßwiderstand für Widerstandsthermometer und Verfahren zu seiner Herstellung
US4052901A (en) * 1976-07-29 1977-10-11 Bjork Albion P Level detecting
GB1548520A (en) * 1976-08-27 1979-07-18 Tokyo Shibaura Electric Co Method of manufacturing a semiconductor device
US4299126A (en) * 1978-09-26 1981-11-10 Siemens Aktiengesellschaft Device for measuring the level of a liquid in a container
JPS5562778A (en) * 1978-11-02 1980-05-12 Fuji Photo Film Co Ltd Preparation of photoconductor film
DE3108969C2 (de) * 1981-03-10 1986-01-09 Draloric Electronic GmbH, 8672 Selb Elektrothermische Füllstandsanzeigevorrichtung
DE3137153C2 (de) * 1981-09-18 1986-04-24 Telefunken electronic GmbH, 7100 Heilbronn Vorrichtung zur Füllstandsmessung
DE3148533C2 (de) * 1981-12-08 1986-08-21 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Messung des Füllstandes in einem eine Flüssigkeit enthaltenden Behälter
DE3204425A1 (de) * 1982-02-09 1983-08-25 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung freitragender metallgitterstrukturen
US4542650A (en) * 1983-08-26 1985-09-24 Innovus Thermal mass flow meter
FR2552223B1 (fr) * 1983-09-21 1987-10-30 Jaeger Perfectionnements aux sondes de mesure de niveau
EP0134859A1 (en) * 1983-09-21 1985-03-27 Honeywell Inc. Fluid flow sensors

Also Published As

Publication number Publication date
FR2586105A1 (fr) 1987-02-13
GB2179746B (en) 1989-08-23
FR2586105B1 (fr) 1990-08-31
DE3626230A1 (de) 1987-04-02
GB8618677D0 (en) 1986-09-10
US4775435A (en) 1988-10-04
IT8667633A0 (it) 1986-08-05
IT1195121B (it) 1988-10-12
GB2179746A (en) 1987-03-11

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