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21.
公开(公告)号:CA1220027A
公开(公告)日:1987-04-07
申请号:CA465437
申请日:1984-10-15
Applicant: IBM
Inventor: COHEN MITCHELL S , PENNINGTON KEITH S , SACHDEV KRISHNA G , WEBER WILLIAM D
Abstract: YO983-045 IMPROVED ELECTROEROSION RECORDING MATERIAL WITH POLYORGANOSILOXANE OVERLAYER, AND IMPROVED OVERLAYER COMPOSITIONS For high speed electroerosion recording, this invention provides a polyorganosiloxane overlayer which includes high lubricity solid particles as a filler. The overlayer provides a combination lubricant and protective layer for the thin metal layer which is removed by electroerosion to prevent damage for the areas not removed by electroerosion. The polyorganosiloxane overlayer is preferably crosslinked, and is relatively hard, durable, and especially resistant to thermal degradation by the electroerosion arcing. This is important to avoid debris buildup at the recording electrodes resulting from the high temperature arcing for removal of the overlayer in the areas where recording takes place.
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公开(公告)号:CA1082296A
公开(公告)日:1980-07-22
申请号:CA270284
申请日:1977-01-24
Applicant: IBM
Inventor: MITCHELL JOAN L , PENNINGTON KEITH S , HOCHBERG FREDERICK
IPC: B41F17/00 , B41J2/01 , B41J2/22 , B41J2/27 , B41J2/295 , B41J2/305 , B41J2/32 , B41M5/10 , B41M5/382 , B41J3/20 , G01D9/00
Abstract: ULTRASONIC TRANSFER PRINTING WITH MULTI-COPY, COLOR AND LOW AUDIBLE NOISE CAPABILITY A printing or copying system in which ink is transferred from an ink-bearing medium to a printing medium through the use of ultrasonics. The ink-bearing medium may be an ink ribbon, carbon paper or the like which is in contact with a printing medium such as paper. Ultrasonic energy is applied to the ink-bearing medium through transmission fibers, wires or bundles thereof, causing the viscosity of the ink to be reduced due to the ultrasonic vibrations and conversion of the ultrasonic energy into heat such that the ink is transferred to the printing medium. Multi-copy capability is achieved by having alternate layers of carbon paper or the like in contact with the paper.
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23.
公开(公告)号:CA1221833A
公开(公告)日:1987-05-19
申请号:CA469462
申请日:1984-12-06
Applicant: IBM
Inventor: SACHDEV KRISHNA G , PENNINGTON KEITH S , COHEN MITCHELL S
Abstract: ELECTROEROSION PRINT MEDIA HAVING PROTECTIVE COATINGS MODIFIED WITH ORGANOTITANIUM REAGENTS The present invention provides an improved electroerosion recording medium which comprises, in a preferred embodiment, a non-conductive support, a hard, abrasion resistant layer, preferably comprising an organic polymer matrix containing an inorganic particulate material, a thin conductive film, typically of a metal such as aluminum, and an abrasion resistant overlayer that most preferably comprises a solid conductive lubricant dispersed in an organotitanium reagent modified polymer system. The overlayer is highly adherent to the conductive surface, has a low organic binder content and provides effective protection against abrasion of the conductive layer and fouling of a print head during electroerosion printing.
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公开(公告)号:CA1200431A
公开(公告)日:1986-02-11
申请号:CA425601
申请日:1983-04-11
Applicant: IBM
Inventor: LEAN ERIC G-H , PENNINGTON KEITH S , TSENG SAMUEL C-C , WANG HAN C
Abstract: The present invention relates to a dot matrix printer which makes use of multiple dot patterns distributed on the cylinder, belt, hand or drum of a line printer to provide an improved printing throughput for an all addressable line printer. In a dothelix matrix printer, different arrangements of the dots are used which can be varied in position and spacing to increase printing speed. On a belt, band or drum line printer, multiple dot patterns are given a predetermined distribution. More specifically, arrangements of dots are used which provide enhanced performance due to the fact that they are determined by an analysis of the statistical occurrence of a particular dot pattern in a character set. The higher statistical probability dot patterns are used more often on the belt, band or drum.
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公开(公告)号:CA1144865A
公开(公告)日:1983-04-19
申请号:CA350475
申请日:1980-04-23
Applicant: IBM
Inventor: PENNINGTON KEITH S , SCHLIG EUGENE S , WHITE JAMES M
Abstract: A color facsimile transmission apparatus wherein a beam of white light is dispersed into component colors by a prism. The color dispersed bands of illumination are focused to irradiate a portion of a moving document. The reflected, colored light from the document is focused on the surface of three charge coupled devices (CCDs) so that the red illuminating band irradiates a first CCD and the green and blue bands respectively irradiate the second and third CCDs. The movement of the document causes each line of the document to scroll through the illuminating band over each of the CCDs. The CCDs are operated in the time delay and integration mode to generate charge packets corresponding to the picture elements of the red, green and blue component line images of each line of the document. YO978-058
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公开(公告)号:CA1144418A
公开(公告)日:1983-04-12
申请号:CA362742
申请日:1980-10-20
Applicant: IBM
Inventor: AVIRAM ARI , CAHILL JOHN G , HAUGE PETER S , PENNINGTON KEITH S
Abstract: abstract An improved lithographic printing plate includes a substrate layer of a nonconducting, hydrophobic polyester, an intermediate film of conducting, hydrophilic material such as aluminum and a top protective film of relatively hard hydrophilic dielectric material, such as aluminum oxide. .A printing image is formed in the lithographic printing plate by an electroerosion process wherein erosion electrodes are pulsed with voltage to break down the dielectric in areas adjacent to the erosion electrodes and to evaporate or otherwise remove corresponding portions of the conducting film, thereby creating holes that extend through the dielectric and conducting films and that expose portions of the surface of the underlying hydrophobic substrate. YO978-036
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公开(公告)号:CA1085444A
公开(公告)日:1980-09-09
申请号:CA252632
申请日:1976-05-14
Applicant: IBM
Inventor: HOCHBERG FREDERICK , PENNEBAKER WILLIAM B , PENNINGTON KEITH S
Abstract: MICROMIST JET PRINTER A micromist printing arrangement wherein a micromist of ink particles, provided by an ultrasonic nebulizer, is forced through a small nozzle to form an aerosol jet. The micromist ink particles are entrained in the jet and focused to print a narrow width region which is substantially smaller in size than the overall jet diameter and the nozzle opening. Particle size, jet stream velocity and air or other carrier gas viscosity are considered in establishing focusing characteristics of the aerosol jet, which is directed against the paper to wet the same, thereby obtaining dense, well defined print lines. According to a first embodiment, modulation of the aerosol jet is achieved by fluid logic control whereby a vacuum is introduced into the path of the aerosol jet to shunt it from its printing path. In another embodiment, control may be achieved through the use of sonic excitation of turbulence into the aerosol jet. The sonic excitation changes the aerosol jet from laminar flow to turbulent flow, resulting in a reduction of the velocity of the aerosol jet such that the aerosol ink particles do not wet the paper.
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公开(公告)号:CA1085288A
公开(公告)日:1980-09-09
申请号:CA270286
申请日:1977-01-24
Applicant: IBM
Inventor: PENNEBAKER WILLIAM B JR , PENNINGTON KEITH S , SEITZ HUGO K , HOCHBERG FREDERICK
Abstract: DYNAMIC REMOVAL OF SOLID IMPURITIES FROM RECIRCULATING INK In an ink jet printer solid impurities contaminating recirculating ink are removed by subjecting contaminated ink to ultrasonic energy for forming an aerosol of the ink. The aerosol of ink is entrained in an air stream and carried to impactor means where the ink aerosol is caused to return to a liquid state.
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公开(公告)号:FR2339426A1
公开(公告)日:1977-08-26
申请号:FR7639688
申请日:1976-12-22
Applicant: IBM
Inventor: PENNEBAKER WILLIAM B JR , PENNINGTON KEITH S , SEITZ HUGO K
Abstract: DYNAMIC REMOVAL OF SOLID IMPURITIES FROM RECIRCULATING INK In an ink jet printer solid impurities contaminating recirculating ink are removed by subjecting contaminated ink to ultrasonic energy for forming an aerosol of the ink. The aerosol of ink is entrained in an air stream and carried to impactor means where the ink aerosol is caused to return to a liquid state.
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