IT1042214B - FIELD EMISSION DEVICE AND METHOD FOR MANUFACTURING IT - Google Patents

FIELD EMISSION DEVICE AND METHOD FOR MANUFACTURING IT

Info

Publication number
IT1042214B
IT1042214B IT26789/75A IT2678975A IT1042214B IT 1042214 B IT1042214 B IT 1042214B IT 26789/75 A IT26789/75 A IT 26789/75A IT 2678975 A IT2678975 A IT 2678975A IT 1042214 B IT1042214 B IT 1042214B
Authority
IT
Italy
Prior art keywords
manufacturing
field emission
emission device
field
emission
Prior art date
Application number
IT26789/75A
Other languages
Italian (it)
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT1042214B publication Critical patent/IT1042214B/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/52Arrangements for controlling intensity of ray or beam, e.g. for modulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/30Cold cathodes, e.g. field-emissive cathode
    • H01J1/304Field-emissive cathodes
    • H01J1/3042Field-emissive cathodes microengineered, e.g. Spindt-type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • H01J3/021Electron guns using a field emission, photo emission, or secondary emission electron source
    • H01J3/022Electron guns using a field emission, photo emission, or secondary emission electron source with microengineered cathode, e.g. Spindt-type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J63/00Cathode-ray or electron-stream lamps
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/022Manufacture of electrodes or electrode systems of cold cathodes
    • H01J9/025Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0031Tubes with material luminescing under electron bombardment

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Electron Sources, Ion Sources (AREA)
IT26789/75A 1974-09-03 1975-09-01 FIELD EMISSION DEVICE AND METHOD FOR MANUFACTURING IT IT1042214B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US502669A US3921022A (en) 1974-09-03 1974-09-03 Field emitting device and method of making same

Publications (1)

Publication Number Publication Date
IT1042214B true IT1042214B (en) 1980-01-30

Family

ID=23998842

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26789/75A IT1042214B (en) 1974-09-03 1975-09-01 FIELD EMISSION DEVICE AND METHOD FOR MANUFACTURING IT

Country Status (11)

Country Link
US (1) US3921022A (en)
JP (1) JPS5152274A (en)
AU (1) AU497692B2 (en)
CA (1) CA1041220A (en)
DE (1) DE2539234A1 (en)
ES (2) ES440515A1 (en)
FR (1) FR2331145A1 (en)
GB (1) GB1498232A (en)
IT (1) IT1042214B (en)
NL (1) NL7510328A (en)
ZA (1) ZA755552B (en)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436828B2 (en) * 1974-08-16 1979-11-12
GB1555800A (en) * 1976-11-04 1979-11-14 Emi Varian Ltd Electron emitters
JPS53126529U (en) * 1977-03-15 1978-10-07
US4178531A (en) * 1977-06-15 1979-12-11 Rca Corporation CRT with field-emission cathode
US4307507A (en) * 1980-09-10 1981-12-29 The United States Of America As Represented By The Secretary Of The Navy Method of manufacturing a field-emission cathode structure
US4417175A (en) * 1981-05-15 1983-11-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ion sputter textured graphite electrode plates
US4728851A (en) * 1982-01-08 1988-03-01 Ford Motor Company Field emitter device with gated memory
JPS5915977A (en) * 1982-07-20 1984-01-27 株式会社東芝 Display unit
US4578614A (en) * 1982-07-23 1986-03-25 The United States Of America As Represented By The Secretary Of The Navy Ultra-fast field emitter array vacuum integrated circuit switching device
DE3243596C2 (en) * 1982-11-25 1985-09-26 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Method and device for transferring images to a screen
DE3332549A1 (en) * 1983-09-09 1985-03-28 Fa. Carl Zeiss, 7920 Heidenheim METHOD AND DEVICE FOR PREVENTING CATHODE DAMAGE WHEN SWITCHING ON FIELD EMISSION RADIATORS
NL8304444A (en) * 1983-12-27 1985-07-16 Philips Nv PICTURE TUBE.
NL8400297A (en) * 1984-02-01 1985-09-02 Philips Nv Semiconductor device for generating an electron beam.
FR2568394B1 (en) * 1984-07-27 1988-02-12 Commissariat Energie Atomique DEVICE FOR VIEWING BY CATHODOLUMINESCENCE EXCITED BY FIELD EMISSION
JP2760395B2 (en) * 1986-06-26 1998-05-28 キヤノン株式会社 Electron emission device
US4994708A (en) * 1986-07-01 1991-02-19 Canon Kabushiki Kaisha Cold cathode device
FR2607623B1 (en) * 1986-11-27 1995-02-17 Commissariat Energie Atomique SOURCE OF POLARIZED SPIN ELECTRONS USING AN EMISSIVE MICROPOINT CATHODE, APPLICATION IN PHYSICS OF ELECTRON-MATERIAL OR ELECTRON-PARTICLE INTERACTIONS, PLASMA PHYSICS, ELECTRON MICROSCOPY
FR2608842B1 (en) * 1986-12-22 1989-03-03 Commissariat Energie Atomique PHOTOELECTRONIC TRANSDUCER USING MICROPOINT EMISSIVE CATHODE
US4721885A (en) * 1987-02-11 1988-01-26 Sri International Very high speed integrated microelectronic tubes
US4904895A (en) * 1987-05-06 1990-02-27 Canon Kabushiki Kaisha Electron emission device
GB8720792D0 (en) * 1987-09-04 1987-10-14 Gen Electric Co Plc Vacuum devices
US4902898A (en) * 1988-04-26 1990-02-20 Microelectronics Center Of North Carolina Wand optics column and associated array wand and charged particle source
US4874981A (en) * 1988-05-10 1989-10-17 Sri International Automatically focusing field emission electrode
FR2634059B1 (en) * 1988-07-08 1996-04-12 Thomson Csf AUTOSCELLED ELECTRONIC MICROCOMPONENT IN VACUUM, ESPECIALLY DIODE, OR TRIODE, AND MANUFACTURING METHOD THEREOF
FR2637126B1 (en) * 1988-09-23 1992-05-07 Thomson Csf COMPONENT SUCH AS DIODE, TRIODE OR FLAT AND INTEGRATED CATHODOLUMINESCENT DISPLAY DEVICE, AND MANUFACTURING METHOD
GB2228822A (en) * 1989-03-01 1990-09-05 Gen Electric Co Plc Electronic devices.
US4956574A (en) * 1989-08-08 1990-09-11 Motorola, Inc. Switched anode field emission device
US4943343A (en) * 1989-08-14 1990-07-24 Zaher Bardai Self-aligned gate process for fabricating field emitter arrays
EP0416625B1 (en) * 1989-09-07 1996-03-13 Canon Kabushiki Kaisha Electron emitting device, method for producing the same, and display apparatus and electron scribing apparatus utilizing same.
US5019003A (en) * 1989-09-29 1991-05-28 Motorola, Inc. Field emission device having preformed emitters
JP2745814B2 (en) * 1989-09-29 1998-04-28 モトローラ・インコーポレイテッド Flat panel display using field emission device
US5055077A (en) * 1989-11-22 1991-10-08 Motorola, Inc. Cold cathode field emission device having an electrode in an encapsulating layer
US5012153A (en) * 1989-12-22 1991-04-30 Atkinson Gary M Split collector vacuum field effect transistor
US5235244A (en) * 1990-01-29 1993-08-10 Innovative Display Development Partners Automatically collimating electron beam producing arrangement
US5079476A (en) * 1990-02-09 1992-01-07 Motorola, Inc. Encapsulated field emission device
US5007873A (en) * 1990-02-09 1991-04-16 Motorola, Inc. Non-planar field emission device having an emitter formed with a substantially normal vapor deposition process
US5142184B1 (en) * 1990-02-09 1995-11-21 Motorola Inc Cold cathode field emission device with integral emitter ballasting
US5030921A (en) * 1990-02-09 1991-07-09 Motorola, Inc. Cascaded cold cathode field emission devices
US5126287A (en) * 1990-06-07 1992-06-30 Mcnc Self-aligned electron emitter fabrication method and devices formed thereby
GB2318208B (en) * 1990-07-13 1998-09-02 Marconi Gec Ltd Electronic switching devices
US5203731A (en) * 1990-07-18 1993-04-20 International Business Machines Corporation Process and structure of an integrated vacuum microelectronic device
US5334908A (en) * 1990-07-18 1994-08-02 International Business Machines Corporation Structures and processes for fabricating field emission cathode tips using secondary cusp
US5141459A (en) * 1990-07-18 1992-08-25 International Business Machines Corporation Structures and processes for fabricating field emission cathodes
JPH0799666B2 (en) * 1990-07-18 1995-10-25 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン Method and structure for manufacturing integrated vacuum microelectronic device
US5461280A (en) * 1990-08-29 1995-10-24 Motorola Field emission device employing photon-enhanced electron emission
US5148078A (en) * 1990-08-29 1992-09-15 Motorola, Inc. Field emission device employing a concentric post
US5157309A (en) * 1990-09-13 1992-10-20 Motorola Inc. Cold-cathode field emission device employing a current source means
US5136764A (en) * 1990-09-27 1992-08-11 Motorola, Inc. Method for forming a field emission device
US5281890A (en) * 1990-10-30 1994-01-25 Motorola, Inc. Field emission device having a central anode
US5332627A (en) * 1990-10-30 1994-07-26 Sony Corporation Field emission type emitter and a method of manufacturing thereof
US5218273A (en) * 1991-01-25 1993-06-08 Motorola, Inc. Multi-function field emission device
JP2550798B2 (en) * 1991-04-12 1996-11-06 富士通株式会社 Micro cold cathode manufacturing method
US5557105A (en) * 1991-06-10 1996-09-17 Fujitsu Limited Pattern inspection apparatus and electron beam apparatus
DE69223088T2 (en) * 1991-06-10 1998-03-05 Fujitsu Ltd Pattern checking apparatus and electron beam device
US5100355A (en) * 1991-06-28 1992-03-31 Bell Communications Research, Inc. Microminiature tapered all-metal structures
US5283501A (en) * 1991-07-18 1994-02-01 Motorola, Inc. Electron device employing a low/negative electron affinity electron source
US5258685A (en) * 1991-08-20 1993-11-02 Motorola, Inc. Field emission electron source employing a diamond coating
US5138237A (en) * 1991-08-20 1992-08-11 Motorola, Inc. Field emission electron device employing a modulatable diamond semiconductor emitter
JPH07107826B2 (en) * 1991-10-01 1995-11-15 富士通株式会社 Patterning method
JP2728813B2 (en) * 1991-10-02 1998-03-18 シャープ株式会社 Field emission type electron source and method of manufacturing the same
US5266530A (en) * 1991-11-08 1993-11-30 Bell Communications Research, Inc. Self-aligned gated electron field emitter
US5627427A (en) * 1991-12-09 1997-05-06 Cornell Research Foundation, Inc. Silicon tip field emission cathodes
US5199917A (en) * 1991-12-09 1993-04-06 Cornell Research Foundation, Inc. Silicon tip field emission cathode arrays and fabrication thereof
US5229331A (en) * 1992-02-14 1993-07-20 Micron Technology, Inc. Method to form self-aligned gate structures around cold cathode emitter tips using chemical mechanical polishing technology
US5696028A (en) * 1992-02-14 1997-12-09 Micron Technology, Inc. Method to form an insulative barrier useful in field emission displays for reducing surface leakage
US5371431A (en) * 1992-03-04 1994-12-06 Mcnc Vertical microelectronic field emission devices including elongate vertical pillars having resistive bottom portions
DE69331709D1 (en) * 1993-01-19 2002-04-18 Leonid Danilovic Karpov FIELD EFFECT EMISSION DEVICE
US5619092A (en) * 1993-02-01 1997-04-08 Motorola Enhanced electron emitter
US5534743A (en) * 1993-03-11 1996-07-09 Fed Corporation Field emission display devices, and field emission electron beam source and isolation structure components therefor
US5903098A (en) * 1993-03-11 1999-05-11 Fed Corporation Field emission display device having multiplicity of through conductive vias and a backside connector
US5561339A (en) * 1993-03-11 1996-10-01 Fed Corporation Field emission array magnetic sensor devices
EP0691032A1 (en) * 1993-03-11 1996-01-10 Fed Corporation Emitter tip structure and field emission device comprising same, and method of making same
FR2709206B1 (en) * 1993-06-14 2004-08-20 Fujitsu Ltd Cathode device having a small opening, and method of manufacturing the same.
US5363021A (en) * 1993-07-12 1994-11-08 Cornell Research Foundation, Inc. Massively parallel array cathode
US5564959A (en) * 1993-09-08 1996-10-15 Silicon Video Corporation Use of charged-particle tracks in fabricating gated electron-emitting devices
US5451830A (en) * 1994-01-24 1995-09-19 Industrial Technology Research Institute Single tip redundancy method with resistive base and resultant flat panel display
US5583393A (en) * 1994-03-24 1996-12-10 Fed Corporation Selectively shaped field emission electron beam source, and phosphor array for use therewith
US5629583A (en) * 1994-07-25 1997-05-13 Fed Corporation Flat panel display assembly comprising photoformed spacer structure, and method of making the same
JP2735009B2 (en) * 1994-10-27 1998-04-02 日本電気株式会社 Method for manufacturing field emission electron gun
US6033277A (en) * 1995-02-13 2000-03-07 Nec Corporation Method for forming a field emission cold cathode
US5588893A (en) * 1995-06-06 1996-12-31 Kentucky Research And Investment Company Limited Field emission cathode and methods in the production thereof
US5688158A (en) * 1995-08-24 1997-11-18 Fed Corporation Planarizing process for field emitter displays and other electron source applications
US5828288A (en) * 1995-08-24 1998-10-27 Fed Corporation Pedestal edge emitter and non-linear current limiters for field emitter displays and other electron source applications
US5844351A (en) * 1995-08-24 1998-12-01 Fed Corporation Field emitter device, and veil process for THR fabrication thereof
US5772488A (en) * 1995-10-16 1998-06-30 Micron Display Technology, Inc. Method of forming a doped field emitter array
CH690144A5 (en) * 1995-12-22 2000-05-15 Alusuisse Lonza Services Ag Textured surface with peak-shaped elements.
US6008577A (en) * 1996-01-18 1999-12-28 Micron Technology, Inc. Flat panel display with magnetic focusing layer
JP2873930B2 (en) * 1996-02-13 1999-03-24 工業技術院長 Carbonaceous solid structure having carbon nanotubes, electron emitter for electron beam source element composed of carbonaceous solid structure, and method of manufacturing carbonaceous solid structure
US6022256A (en) 1996-11-06 2000-02-08 Micron Display Technology, Inc. Field emission display and method of making same
US5828163A (en) * 1997-01-13 1998-10-27 Fed Corporation Field emitter device with a current limiter structure
US6391670B1 (en) 1999-04-29 2002-05-21 Micron Technology, Inc. Method of forming a self-aligned field extraction grid
US7196464B2 (en) * 1999-08-10 2007-03-27 Delta Optoelectronics, Inc. Light emitting cell and method for emitting light
US7227924B2 (en) * 2000-10-06 2007-06-05 The University Of North Carolina At Chapel Hill Computed tomography scanning system and method using a field emission x-ray source
US7085351B2 (en) * 2000-10-06 2006-08-01 University Of North Carolina At Chapel Hill Method and apparatus for controlling electron beam current
US7082182B2 (en) * 2000-10-06 2006-07-25 The University Of North Carolina At Chapel Hill Computed tomography system for imaging of human and small animal
US6876724B2 (en) 2000-10-06 2005-04-05 The University Of North Carolina - Chapel Hill Large-area individually addressable multi-beam x-ray system and method of forming same
US6553096B1 (en) 2000-10-06 2003-04-22 The University Of North Carolina Chapel Hill X-ray generating mechanism using electron field emission cathode
US6995502B2 (en) 2002-02-04 2006-02-07 Innosys, Inc. Solid state vacuum devices and method for making the same
US7005783B2 (en) 2002-02-04 2006-02-28 Innosys, Inc. Solid state vacuum devices and method for making the same
KR20050079339A (en) * 2004-02-05 2005-08-10 삼성에스디아이 주식회사 Manufacturing method of field emitter
US7564178B2 (en) * 2005-02-14 2009-07-21 Agere Systems Inc. High-density field emission elements and a method for forming said emission elements
US8155262B2 (en) 2005-04-25 2012-04-10 The University Of North Carolina At Chapel Hill Methods, systems, and computer program products for multiplexing computed tomography
US8189893B2 (en) 2006-05-19 2012-05-29 The University Of North Carolina At Chapel Hill Methods, systems, and computer program products for binary multiplexing x-ray radiography
SG148067A1 (en) * 2007-05-25 2008-12-31 Sony Corp Methods for producing electron emitter structures, the electron emitter structures produced, and field emission displays and field emission backlights incorporating the electron emitter structures
WO2009012453A1 (en) * 2007-07-19 2009-01-22 The University Of North Carolina At Chapel Hill Stationary x-ray digital breast tomosynthesis systems and related methods
US8600003B2 (en) 2009-01-16 2013-12-03 The University Of North Carolina At Chapel Hill Compact microbeam radiation therapy systems and methods for cancer treatment and research
US8358739B2 (en) 2010-09-03 2013-01-22 The University Of North Carolina At Chapel Hill Systems and methods for temporal multiplexing X-ray imaging
US9782136B2 (en) 2014-06-17 2017-10-10 The University Of North Carolina At Chapel Hill Intraoral tomosynthesis systems, methods, and computer readable media for dental imaging
US10980494B2 (en) 2014-10-20 2021-04-20 The University Of North Carolina At Chapel Hill Systems and related methods for stationary digital chest tomosynthesis (s-DCT) imaging
US10835199B2 (en) 2016-02-01 2020-11-17 The University Of North Carolina At Chapel Hill Optical geometry calibration devices, systems, and related methods for three dimensional x-ray imaging
JP6450809B1 (en) * 2017-06-28 2019-01-09 株式会社ソディック Electron beam surface modification equipment
US11810774B2 (en) 2020-08-26 2023-11-07 Government Of The United States As Represented By The Secretary Of The Air Force Field emission devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287749A (en) * 1938-02-12 1942-06-23 Slayter Electronic Corp Method and apparatus for amplifying electrical currents
US3174043A (en) * 1961-06-01 1965-03-16 Field Emission Corp Short pulse-high intensity vacuum arc x-ray system
US3453478A (en) * 1966-05-31 1969-07-01 Stanford Research Inst Needle-type electron source
US3466485A (en) * 1967-09-21 1969-09-09 Bell Telephone Labor Inc Cold cathode emitter having a mosaic of closely spaced needles
US3755704A (en) * 1970-02-06 1973-08-28 Stanford Research Inst Field emission cathode structures and devices utilizing such structures
US3665241A (en) * 1970-07-13 1972-05-23 Stanford Research Inst Field ionizer and field emission cathode structures and methods of production
US3814968A (en) * 1972-02-11 1974-06-04 Lucas Industries Ltd Solid state radiation sensitive field electron emitter and methods of fabrication thereof

Also Published As

Publication number Publication date
GB1498232A (en) 1978-01-18
US3921022A (en) 1975-11-18
DE2539234A1 (en) 1976-03-11
ES440515A1 (en) 1977-03-01
AU497692B2 (en) 1978-12-21
ES444173A1 (en) 1977-06-16
AU8397375A (en) 1977-02-17
ZA755552B (en) 1977-03-30
FR2331145A1 (en) 1977-06-03
JPS5152274A (en) 1976-05-08
NL7510328A (en) 1976-03-05
CA1041220A (en) 1978-10-24

Similar Documents

Publication Publication Date Title
IT1042214B (en) FIELD EMISSION DEVICE AND METHOD FOR MANUFACTURING IT
IT1084485B (en) FIELD EMISSION DEVICE AND MANUFACTURING METHOD.
NL7502843A (en) ANTI-TRANSPIRATION AGENT AND METHOD FOR PREPARING IT.
IT1039272B (en) SILICONE CATHETER AND PROCEDURE FOR MANUFACTURING IT
IT1058131B (en) LIGHTING APPARATUS AND PROCEDURE FOR MANUFACTURING IT
NL7501244A (en) SEMICONDUCTORS AND METHOD FOR THEREOF.
IT1037478B (en) PROCEDURE FOR MANUFACTURING SEMICONDUCTOR DEVICE
IT1044282B (en) SOLENOIDS AND MANUFACTURING PROCEDURE
IT1026370B (en) PROCEDURE AND FILTRATION DEVICE
IT1046891B (en) PROCEDURE FOR ENCAPSULATING ELECTRICAL COMPONENTS AND FORM USED FOR THAT PROCEDURE
IT1012281B (en) OBJECT HOLDER AND METHOD OF MANUFACTURING IT
IT1030127B (en) PROCESS AND DEVICE FOR MANUFACTURING BAGS
IT1037215B (en) EXTRUSION EQUIPMENT
IT981721B (en) METHOD AND DEVICE FOR CUTTING AN ELONGATED ARTIFACT
IT1044424B (en) SURVEILLANCE DEVICE
IT1028446B (en) CATALYST AND PROCEDURE FOR MANUFACTURING IT
IT1037837B (en) NESCOLARMENTO DEVICE
IT1028057B (en) PROCEDURE AND EQUIPMENT FOR MANUFACTURING TUBULAR CONTAINERS
IT1038794B (en) INSECT ELECTROCUTION DEVICE
IT1034898B (en) EQUIPMENT AND METHOD FOR SELECTING SISARETTES
IT1043490B (en) PROCEDURE AND DEVICE FOR THE MANUFACTURE OF PNFUMATICS
IT1041494B (en) SELF DEFENSE APPARATUS
IT1060810B (en) ELECTROCHEMISTRY SOURCE AND PROCEDURE FOR MANUFACTURING IT
IT1033884B (en) REARPROJECTION EQUIPMENT
IT1047988B (en) JUNCTION CONNECTOR AND FOR TU BAZIONI