公开(公告)号：CA2313710C

公开(公告)日：2004-02-17

申请号：CA2313710

申请日：2000-07-11

Applicant: XEROX CORP

Inventor： ELKIN JERRY ,  HADIMIOGLU BABUR B ,  ROY JOY ,  WEISBERG MICHAEL C

IPC: B41J2/175 ,  B41J2/015 ,  B41J2/045 ,  B41J2/055 ,  B41J2/14 ,  B41J2/04 ,  B05B17/06

Abstract: A droplet emitter with an array of droplet emitting devices constructed such that a flowing liquid used create the droplets can flow through the droplet emitter at higher flow rates. The higher flow rates prevent excess heat absorption during the droplet emission process and allow for excess heat generated by control electronics to be transferred to the flowing liquid after droplet emission but before it leave s the droplet emitter. This prevents excess heat build-up within the droplet emitter and allows for higher more accurate droplet emission.

公开(公告)号：DE69907841D1

公开(公告)日：2003-06-18

申请号：DE69907841

申请日：1999-09-27

Applicant: XEROX CORP

Inventor： HADIMIOGLU BABUR B

IPC: B41J2/015 ,  B41J2/04 ,  B41M5/00

Abstract: An acoustic ink method and system are provided for improving the uniformity in an acoustic ink printing system by manipulating nonlinear characteristics of the system. The method includes operating the system at a power level that is above the power level at which the nonlinearity of the system is initiated.

公开(公告)号：DE60000601D1

公开(公告)日：2002-11-21

申请号：DE60000601

申请日：2000-11-16

Applicant: XEROX CORP

Inventor： BAKER LAMAR T ,  BUHLER STEVEN A ,  ELROD SCOTT ,  GUNNING WILLIAM F ,  HADIMIOGLU BABUR B ,  EL HATEM ABDUL M ,  ROY JOY ,  STEARNS RICHARD

IPC: B41J2/015 ,  B41J2/14 ,  B41J2/04

Abstract: An acoustic printhead comprises a matrix of drop ejectors configured in rows and columns, a plurality of row switches that are connected to control operation of the rows of the drop ejectors, and a plurality of column switches, connected to control operation of the columns of drop ejectors, wherein by selection of an appropriate row switch and column switch, a particular transducer of a specific drop ejector is turned on. The printhead further comprises a controller connected to the plurality of row switches and column switches, and a compensation network connected to the rows and/or columns of drop ejectors.

公开(公告)号：DE69421220T2

公开(公告)日：2000-03-30

申请号：DE69421220

申请日：1994-07-29

Applicant: XEROX CORP

Inventor： HADIMIOGLU BABUR B ,  LIM MARTIN G

IPC: B41J2/045 ,  B41J2/055 ,  B41J2/065 ,  B41J2/14 ,  B41J2/165 ,  B41J2/04

Abstract: Droplet ejector apparatus having a plurality of droplet ejecting ports (26) capable of ejecting ink droplets (16) onto a recording medium (18) and having a capping structure (12) that alleviates debris contamination The capping structure includes a plurality of openings (14), some of which allow ejected droplets to pass onto the recording medium. The capping structure is removably spaced above a channel plate (24) of the droplet ejector using spacers (34) which mate with other openings (14) in the capping structure and with indentations (32) in the channel plate (24)

公开(公告)号：DE69421220D1

公开(公告)日：1999-11-25

申请号：DE69421220

申请日：1994-07-29

Applicant: XEROX CORP

Inventor： HADIMIOGLU BABUR B ,  LIM MARTIN G

IPC: B41J2/045 ,  B41J2/055 ,  B41J2/065 ,  B41J2/14 ,  B41J2/165 ,  B41J2/04

Abstract: Droplet ejector apparatus having a plurality of droplet ejecting ports (26) capable of ejecting ink droplets (16) onto a recording medium (18) and having a capping structure (12) that alleviates debris contamination The capping structure includes a plurality of openings (14), some of which allow ejected droplets to pass onto the recording medium. The capping structure is removably spaced above a channel plate (24) of the droplet ejector using spacers (34) which mate with other openings (14) in the capping structure and with indentations (32) in the channel plate (24)

公开(公告)号：DE69506979T2

公开(公告)日：1999-06-10

申请号：DE69506979

申请日：1995-09-29

Applicant: XEROX CORP

Inventor： HADIMIOGLU BABUR B ,  STEARNS RICHARD G ,  LIM MARTIN G ,  QUATE CALVIN F

IPC: B65H5/00 ,  B65H5/16 ,  B65G27/00 ,  B65H5/10 ,  B65G27/34

Abstract: A device for moving an object, such as a sheet of paper (20) or other substrate, includes a base element (10), a drive mechanism (15) to move the base element (10) in first and second directions (7), such as by vibration, and a plurality of flexible ratchets (5) fixedly secured to the base element (10). As the base element vibrates, the ratchets (5) advance the sheet of paper in a direction (9) perpendicular to the direction (7) of vibration of the base element (10). Pluralities of base elements and drive mechanisms can be provided (Figs. 6,7) to direct movement of the substrate in various directions.

公开(公告)号：CA2075443C

公开(公告)日：1998-05-05

申请号：CA2075443

申请日：1992-08-06

Applicant: XEROX CORP

Inventor： RAWSON ERIC G ,  HADIMIOGLU BABUR B ,  KHURI-YAKUB BUTRUS T

IPC: B41J2/015 ,  B41J2/14 ,  G01D15/16

Abstract: A printhead for an acoustic ink printer has a piezoelectric transducer on one surface of a substrate. A layer of a dielectric material is provided on the surface of the transducer away from the substrate. A Fresnel lens is formed in the surface of the dielectric layer away from the the transducer, for focusing sound energy near the surface of a body of ink adjacent the dielectric layer. A pit may be formed in the substrate under the transducer. The transducer may be a body of piezoelectric material sandwiched between a pair of electrodes, the lower electrode of which has a thickness that is a quarter wave at the excitation frequency of the transducer. An anti-reflective coating may be provided on the lower surface of the substrate, with a body of an absorptive material abutting the anti-reflective layer, or an absorptive material having an acoustic impedance approximately matching that of the substrate coated on the lower surface of the substrate.

公开(公告)号：DE69219872D1

公开(公告)日：1997-06-26

申请号：DE69219872

申请日：1992-12-14

Applicant: XEROX CORP

Inventor： HADIMIOGLU BABUR B ,  KHURI-YAKUB BUTRUS T ,  RAWSON ERIC G

IPC: B41J2/015 ,  B41J2/14 ,  G01D15/16 ,  B41J2/04

Abstract: A printhead for an acoustic ink printer has a piezoelectric transducer (11,12,13) on one surface of a substrate (10). A layer (14) of a dielectric material is provided on the surface of the transducer away from the substrate. A Fresnel lens (15) is formed in the surface of the dielectric layer away from the transducer, for focusing sound energy near the surface of a body of ink adjacent the dielectric layer. A pit (19) may be formed in the substrate under the transducer. The transducer may be a body (12) of piezoelectric material sandwiched between a pair of electrodes (11,13), the lower electrode of which has a thickness that is a quarter wave at the excitation frequency of the transducer. An anti-reflective coating (30) may be provided on the lower surface of the substrate, with a body (31) of an absorptive material abutting the anti-reflective layer, or an absorptive material (32) having an acoustic impedance approximately matching that of the substrate may be coated on the lower surface of the substrate.

公开(公告)号：DE69213197T2

公开(公告)日：1997-02-06

申请号：DE69213197

申请日：1992-12-14

Applicant: XEROX CORP

Inventor： HADIMIOGLU BABUR B ,  RAWSON ERIC G ,  KHURI-YAKUB BUTRUS T

IPC: B41J2/045 ,  B06B1/06 ,  B41J2/055 ,  B41J2/14 ,  H01L41/08 ,  H01L41/09 ,  H04R17/10

Abstract: An acoustic ink printer transducer comprises a piezoelectric layer (13) positioned between two suitable electrode materials (12,14). To enable ejection of a number of different ink droplet sizes from the acoustic ink printer, thereby facilitating grey scale printing, the piezoelectric layer (13) and one (14) of the electrode layers have an acoustic thickness of lambda /4, where lambda is the wavelength at the fundamental resonant frequency omega o of the transducer.

公开(公告)号：DE69306473D1

公开(公告)日：1997-01-23

申请号：DE69306473

申请日：1993-05-26

Applicant: XEROX CORP

Inventor： AKAMINE SHINYA ,  KHURI-YAKUB BUTRUS T ,  QUATE CALVIN F ,  HADIMIOGLU BABUR B

IPC: B41J2/175 ,  B41J2/14 ,  B41J2/04

Abstract: A droplet ejector (10) for an acoustic printer has an acoustically thin capping structure (12) that permits accurate location of the free surface of a liquid ink (30) to enable acoustically induced ink droplet ejection, and that prevents the ink from spilling from its well. Acoustically thin implies that the capping structure thickness is a small fraction of the wavelength of the applied acoustic energy. One capping structure is a thin wafer of porous silicon placed over the aperture of an ink filled ink well (28). Acoustic radiation pressure pushes liquid ink from the well through the pores (36) so that a thin ink film forms over the capping structure. Another capping structure is a solid membrane placed over the ink well aperture. An ink deposition means (60,90) deposits a thin film of ink over the capping structure. With either structure, applied acoustic energy from a transducer (20) can pass through the capping structure to cause droplet ejection from the free surface of the ink film.