CH426042A - Verfahren zur Abtragung von Material von einem Körper mittels kathodischer Zerstäubung - Google Patents

Verfahren zur Abtragung von Material von einem Körper mittels kathodischer Zerstäubung

Info

Publication number
CH426042A
CH426042A CH1604364A CH1604364A CH426042A CH 426042 A CH426042 A CH 426042A CH 1604364 A CH1604364 A CH 1604364A CH 1604364 A CH1604364 A CH 1604364A CH 426042 A CH426042 A CH 426042A
Authority
CH
Switzerland
Prior art keywords
removing material
cathodic sputtering
cathodic
sputtering
Prior art date
Application number
CH1604364A
Other languages
English (en)
Inventor
Paul Lepselter Martin
Original Assignee
Western Electric Co
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
Priority claimed from US331168A external-priority patent/US3287612A/en
Priority claimed from US347173A external-priority patent/US3271286A/en
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of CH426042A publication Critical patent/CH426042A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
    • C07D275/04—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
    • D06L1/04—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents combined with specific additives
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/60—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D10/00 or H10D18/00, e.g. integration of BJTs
    • H10D84/611—Combinations of BJTs and one or more of diodes, resistors or capacitors
    • H10D84/613—Combinations of vertical BJTs and one or more of diodes, resistors or capacitors
    • H10D84/615—Combinations of vertical BJTs and one or more of resistors or capacitors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P90/00—Preparation of wafers not covered by a single main group of this subclass, e.g. wafer reinforcement
    • H10P90/19—Preparing inhomogeneous wafers
    • H10P90/1904—Preparing vertically inhomogeneous wafers
    • H10P90/1906—Preparing SOI wafers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
    • H10W10/01—Manufacture or treatment
    • H10W10/021—Manufacture or treatment of air gaps
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
    • H10W10/01—Manufacture or treatment
    • H10W10/061—Manufacture or treatment using SOI processes together with lateral isolation, e.g. combinations of SOI and shallow trench isolations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
    • H10W10/10—Isolation regions comprising dielectric materials
    • H10W10/181—Semiconductor-on-insulator [SOI] isolation regions, e.g. buried oxide regions of SOI wafers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
    • H10W10/20—Air gaps
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H10W20/41—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their conductive parts
    • H10W20/425—Barrier, adhesion or liner layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H10W20/41—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their conductive parts
    • H10W20/44—Conductive materials thereof
    • H10W20/4403—Conductive materials thereof based on metals, e.g. alloys, metal silicides
    • H10W20/4432—Conductive materials thereof based on metals, e.g. alloys, metal silicides the principal metal being a noble metal, e.g. gold
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/102—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon only in the ring
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106—Thiadiazoles
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Plant Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Analytical Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Die Bonding (AREA)
  • Physical Vapour Deposition (AREA)
CH1604364A 1963-12-17 1964-12-11 Verfahren zur Abtragung von Material von einem Körper mittels kathodischer Zerstäubung CH426042A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US331168A US3287612A (en) 1963-12-17 1963-12-17 Semiconductor contacts and protective coatings for planar devices
US347173A US3271286A (en) 1964-02-25 1964-02-25 Selective removal of material using cathodic sputtering
US388039A US3335338A (en) 1963-12-17 1964-08-07 Integrated circuit device and method

Publications (1)

Publication Number Publication Date
CH426042A true CH426042A (de) 1966-12-15

Family

ID=27436936

Family Applications (3)

Application Number Title Priority Date Filing Date
CH1535264A CH427044A (de) 1963-12-17 1964-11-27 Verfahren zur Herstellung eines Halbleiterkörpers mit einem geschützten pn-Übergang
CH1604364A CH426042A (de) 1963-12-17 1964-12-11 Verfahren zur Abtragung von Material von einem Körper mittels kathodischer Zerstäubung
CH1653864A CH444969A (de) 1963-12-17 1964-12-23 Kontaktierte Schaltungsanordnung und Verfahren zu deren Herstellung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1535264A CH427044A (de) 1963-12-17 1964-11-27 Verfahren zur Herstellung eines Halbleiterkörpers mit einem geschützten pn-Übergang

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1653864A CH444969A (de) 1963-12-17 1964-12-23 Kontaktierte Schaltungsanordnung und Verfahren zu deren Herstellung

Country Status (9)

Country Link
US (1) US3335338A (de)
BE (3) BE657022A (de)
CH (3) CH427044A (de)
DE (3) DE1282196B (de)
FR (3) FR1417621A (de)
GB (2) GB1082319A (de)
IL (3) IL22370A (de)
NL (4) NL6413364A (de)
SE (1) SE325334B (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475664A (en) * 1965-06-30 1969-10-28 Texas Instruments Inc Ambient atmosphere isolated semiconductor devices
US3396312A (en) * 1965-06-30 1968-08-06 Texas Instruments Inc Air-isolated integrated circuits
US3448349A (en) * 1965-12-06 1969-06-03 Texas Instruments Inc Microcontact schottky barrier semiconductor device
US3388048A (en) * 1965-12-07 1968-06-11 Bell Telephone Labor Inc Fabrication of beam lead semiconductor devices
DE1283970B (de) * 1966-03-19 1968-11-28 Siemens Ag Metallischer Kontakt an einem Halbleiterbauelement
US3426252A (en) * 1966-05-03 1969-02-04 Bell Telephone Labor Inc Semiconductive device including beam leads
US3489961A (en) * 1966-09-29 1970-01-13 Fairchild Camera Instr Co Mesa etching for isolation of functional elements in integrated circuits
US3493820A (en) * 1966-12-01 1970-02-03 Raytheon Co Airgap isolated semiconductor device
US3621344A (en) * 1967-11-30 1971-11-16 William M Portnoy Titanium-silicon rectifying junction
US3523221A (en) * 1968-05-07 1970-08-04 Sprague Electric Co Bi-metal thin film component and beam-lead therefor
GB1263381A (en) * 1968-05-17 1972-02-09 Texas Instruments Inc Metal contact and interconnection system for nonhermetic enclosed semiconductor devices
US3658489A (en) * 1968-08-09 1972-04-25 Nippon Electric Co Laminated electrode for a semiconductor device
US3574932A (en) * 1968-08-12 1971-04-13 Motorola Inc Thin-film beam-lead resistors
US3590479A (en) * 1968-10-28 1971-07-06 Texas Instruments Inc Method for making ambient atmosphere isolated semiconductor devices
NL159822B (nl) * 1969-01-02 1979-03-15 Philips Nv Halfgeleiderinrichting.
US3654000A (en) * 1969-04-18 1972-04-04 Hughes Aircraft Co Separating and maintaining original dice position in a wafer
US3647585A (en) * 1969-05-23 1972-03-07 Bell Telephone Labor Inc Method of eliminating pinhole shorts in an air-isolated crossover
US3641402A (en) * 1969-12-30 1972-02-08 Ibm Semiconductor device with beta tantalum-gold composite conductor metallurgy
US3639811A (en) * 1970-11-19 1972-02-01 Fairchild Camera Instr Co Semiconductor with bonded electrical contact
FR2119930B1 (de) * 1970-12-31 1974-08-19 Ibm
US3918079A (en) * 1971-01-22 1975-11-04 Signetics Corp Encapsulated beam lead construction for semiconductor device and assembly and method
US3765970A (en) * 1971-06-24 1973-10-16 Rca Corp Method of making beam leads for semiconductor devices
DE2165844C2 (de) * 1971-12-31 1983-02-17 Elena Vadimovna Moskva Chrenova Integrierte Schaltung
US3787710A (en) * 1972-01-25 1974-01-22 J Cunningham Integrated circuit structure having electrically isolated circuit components
NL163370C (nl) * 1972-04-28 1980-08-15 Philips Nv Werkwijze voor het vervaardigen van een halfgeleider- inrichting met een geleiderpatroon.
JPS5745061B2 (de) * 1972-05-02 1982-09-25
US4042950A (en) * 1976-03-01 1977-08-16 Advanced Micro Devices, Inc. Platinum silicide fuse links for integrated circuit devices
US4257061A (en) * 1977-10-17 1981-03-17 John Fluke Mfg. Co., Inc. Thermally isolated monolithic semiconductor die
US4204218A (en) * 1978-03-01 1980-05-20 Bell Telephone Laboratories, Incorporated Support structure for thin semiconductor wafer
DE2822011C3 (de) * 1978-05-19 1987-09-10 Fujitsu Ltd., Kawasaki, Kanagawa Halbleiteranordnung und Verfahren zu deren Herstellung
DE3011660A1 (de) * 1980-03-26 1981-10-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Mehrschichtiger ohmscher anschlusskontakt
DE3122387A1 (de) * 1981-06-05 1982-12-23 Deutsche Itt Industries Gmbh, 7800 Freiburg "glasumhuellte halbleiterdiode und verfahren zur herstellung"
JPS60253958A (ja) * 1984-05-31 1985-12-14 Sharp Corp センサ
US5763782A (en) * 1992-03-16 1998-06-09 British Technology Group Limited Micromechanical sensor
FR2784230B1 (fr) * 1998-10-05 2000-12-29 St Microelectronics Sa Procede de realisation d'un isolement inter et/ou intra-metallique par air dans un circuit integre et circuit integre obtenu

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL96840C (de) * 1953-05-11 1900-01-01
DE1000115B (de) * 1954-03-03 1957-01-03 Standard Elektrik Ag Verfahren zur Herstellung von Halbleiterschichtkristallen mit PN-UEbergang
NL251064A (de) * 1955-11-04
US2981877A (en) * 1959-07-30 1961-04-25 Fairchild Semiconductor Semiconductor device-and-lead structure
FR1262176A (fr) * 1959-07-30 1961-05-26 Fairchild Semiconductor Dispositif semi-conducteur et conducteur
US2973466A (en) * 1959-09-09 1961-02-28 Bell Telephone Labor Inc Semiconductor contact
NL113570C (de) * 1959-11-25
US3158788A (en) * 1960-08-15 1964-11-24 Fairchild Camera Instr Co Solid-state circuitry having discrete regions of semi-conductor material isolated by an insulating material
NL268503A (de) * 1960-12-09
US3065391A (en) * 1961-01-23 1962-11-20 Gen Electric Semiconductor devices
US3184824A (en) * 1963-03-27 1965-05-25 Texas Instruments Inc Method for plating a support for a silicon wafer in the manufacture of a semiconductor device

Also Published As

Publication number Publication date
NL6414441A (de) 1965-06-18
IL22419A (en) 1968-05-30
IL22370A (en) 1968-07-25
GB1082319A (en) 1967-09-06
DE1266406B (de) 1968-04-18
BE657022A (de) 1965-04-01
FR1417621A (fr) 1965-11-12
SE325334B (de) 1970-06-29
IL22465A (en) 1968-07-25
CH427044A (de) 1966-12-31
BE657021A (de) 1965-04-01
FR1417760A (fr) 1965-11-12
FR1417695A (fr) 1965-11-12
NL6413364A (de) 1965-06-18
DE1282196B (de) 1968-11-07
US3335338A (en) 1967-08-08
DE1515321A1 (de) 1969-06-26
NL6414107A (de) 1965-06-18
CH444969A (de) 1967-10-15
GB1082317A (en) 1967-09-06
NL134170C (de) 1900-01-01
BE657023A (de) 1965-04-01

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