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公开(公告)号：US10525710B2
公开(公告)日：2020-01-07
申请号：US15888857
申请日：2018-02-05
发明人： Jason Thelander , David Burke , Andrew Thomas
摘要： An inkjet printhead includes: a manifold having an ink supply channel and a lower surface with a longitudinal ink cavity defined therein; a shim attached to the lower surface so as to bridge across the longitudinal ink cavity, the shim having a plurality of shim apertures for receiving ink from the longitudinal ink cavity; and a plurality of printhead chips attached to the shim. A plurality of through-holes are defined in the manifold to provide fluid communication between the ink supply channel and the longitudinal ink cavity. Each through-hole has a first portion with a first end defined in the roof and a second portion extending through a sidewall of the ink cavity such that the shim seals an end of the second portion.
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公开(公告)号：US20190322103A1
公开(公告)日：2019-10-24
申请号：US16460904
申请日：2019-07-02
发明人： Elmer Dimaculangan Perez , Nicholas Chin , Miao Wang , See-Huat Tan , Jason Thelander , David Burke , Andrew Thomas , Mahes Rajaratnam
摘要： An inkjet printhead includes: a support structure having a plurality of printhead chips mounted thereto; and a shield plate bonded to the support structure, the shield plate having a slot aligned with the printhead chips, the slot having a perimeter edge. A sealant is disposed on all exposed portions of the support structure adjacent the perimeter edge of each slot.
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公开(公告)号：US10442200B2
公开(公告)日：2019-10-15
申请号：US15888852
申请日：2018-02-05
发明人： Jason Thelander , David Burke , Andrew Thomas
摘要： An inkjet printhead includes: a rigid elongate manifold having ink supply channels extending along its length and a plurality of ink outlets defined therein; a shim attached to the manifold, the shim having a plurality of shim apertures for receiving ink from the ink outlets; and a plurality of printhead chips adhesively bonded directly to the shim, each printhead chip receiving ink from one or more of the ink outlets. The the shim is formed of a metal alloy having a CTE of 5 ppm/° C. or less.
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公开(公告)号：US10377137B2
公开(公告)日：2019-08-13
申请号：US15888893
申请日：2018-02-05
发明人： Jason Thelander , David Burke , Andrew Thomas
摘要： An inkjet printhead includes: a manifold having a plurality of ink outlets defined in a manifold surface; a plurality of printhead chips mounted to the manifold surface, each printhead chip having an odd number of color channels and each color channel having one or more respective rows of inkjet nozzle devices. A central color channel of each printhead chip is a dummy color channel that does not receive ink from the manifold.
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公开(公告)号：US20190232660A1
公开(公告)日：2019-08-01
申请号：US16377069
申请日：2019-04-05
发明人： Jason Thelander , David Burke , Andrew Thomas
摘要： An inkjet printhead includes: a manifold having first, second, third and fourth ink supply channels extending along the manifold and corresponding first, second, third and fourth rows of outlets defined in the manifold, wherein a first ink delivery group contains the first and second rows of outlets and a second ink delivery group contains the third and fourth rows of outlets. A first row of printhead chips is mounted to a lower surface of the manifold and a second row of printhead chips is mounted to the lower surface of the manifold. Each row of printhead chips prints two ink colors to provide a four-color printhead.
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公开(公告)号：US10239316B2
公开(公告)日：2019-03-26
申请号：US15888841
申请日：2018-02-05
发明人： Jason Thelander , David Burke , Andrew Thomas
摘要： An inkjet printhead includes: a manifold having a plurality of ink outlets defined in a manifold surface; a plurality of printhead chips mounted to the manifold surface and aligned with the ink outlets; a PCB mounted to the manifold surface and offset from the ink outlets, the PCB being electrically connected to the printhead chips; and a shield plate covering the PCB. The shield plate has one face in thermal contact with the PCB and an exposed opposite face defining a lower surface of the printhead.
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公开(公告)号：US20180222199A1
公开(公告)日：2018-08-09
申请号：US15888852
申请日：2018-02-05
发明人： Jason Thelander , David Burke , Andrew Thomas
摘要： An inkjet printhead includes: a rigid elongate manifold having ink supply channels extending along its length and a plurality of ink outlets defined therein; a shim attached to the manifold, the shim having a plurality of shim apertures for receiving ink from the ink outlets; and a plurality of printhead chips adhesively bonded directly to the shim, each printhead chip receiving ink from one or more of the ink outlets. The the shim is formed of a metal alloy having a CTE of 5 ppm/° C. or less.
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公开(公告)号：US20180222198A1
公开(公告)日：2018-08-09
申请号：US15888832
申请日：2018-02-05
发明人： Jason Thelander , David Burke , Andrew Thomas
CPC分类号： B41J2/155 , B41J2/14 , B41J2/14145 , B41J2/1433 , B41J2/175 , B41J2/1752 , B41J2/17523 , B41J2/19 , B41J2/21 , B41J2/2103 , B41J25/34 , B41J2002/14362 , B41J2002/14419 , B41J2002/14491 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： An inkjet printhead includes: a manifold having first, second, third and fourth ink supply channels extending along the manifold and corresponding first, second, third and fourth rows of outlets defined in the manifold, wherein a first ink delivery group contains the first and second rows of outlets and a second ink delivery group contains the third and fourth rows of outlets. A first array of printhead chips is mounted to a lower surface of the manifold so as receive ink from the first and second rows of outlets and a second array of printhead chips is mounted to the lower surface of the manifold so as to receive receive ink from the third and fourth rows of outlets. A distance between the first and second ink delivery groups is greater than a distance between the first and second rows of outlets or the third and fourth rows of outlets.
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公开(公告)号：US20180222193A1
公开(公告)日：2018-08-09
申请号：US15888893
申请日：2018-02-05
发明人： Jason Thelander , David Burke , Andrew Thomas
CPC分类号： B41J2/155 , B41J2/14 , B41J2/14145 , B41J2/1433 , B41J2/175 , B41J2/1752 , B41J2/17523 , B41J2/19 , B41J2/21 , B41J2/2103 , B41J25/34 , B41J2002/14362 , B41J2002/14419 , B41J2002/14491 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： An inkjet printhead includes: a manifold having a plurality of ink outlets defined in a manifold surface; a plurality of printhead chips mounted to the manifold surface, each printhead chip having an odd number of color channels and each color channel having one or more respective rows of inkjet nozzle devices. A central color channel of each printhead chip is a dummy color channel that does not receive ink from the manifold.
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公开(公告)号：US20240140096A1
公开(公告)日：2024-05-02
申请号：US18405344
申请日：2024-01-05
发明人： Jason Thelander , David Burke , Andrew Thomas
CPC分类号： B41J2/155 , B41J2/14 , B41J2/14145 , B41J2/1433 , B41J2/175 , B41J2/1752 , B41J2/17523 , B41J2/19 , B41J2/21 , B41J2/2103 , B41J25/34 , B41J2002/14362 , B41J2002/14419 , B41J2002/14491 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： An inkjet printhead for printing redundantly in four colors. The printhead includes: an ink manifold having first, second, third and fourth ink reservoirs for supplying first, second, third and fourth inks, respectively; and first and second parallel printhead chips mounted on the ink manifold. The ink manifold has ink feed slots configured for supplying the first and second inks to the first printhead chip and for supplying the third and fourth inks to the second printhead chip.
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