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Symmetric nozzle arrangement

A technology of nozzles and printing nozzles, applied in the field of printheads, can solve problems such as waste of printheads due to space requirements

Inactive Publication Date: 2010-05-26
MEMJET TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0031] That said, the relative difference in space requirements for CMOS and nozzles means that there is still some wasted area in the printhead

Method used

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  • Symmetric nozzle arrangement
  • Symmetric nozzle arrangement
  • Symmetric nozzle arrangement

Examples

Experimental program
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Embodiment Construction

[0080] see attached, figure 1 Three layers 2, 4, 6 are shown which together form one for the Memjet TM The unit cell 1 (ie the nozzle) of the MEMS print head. Although figure 1 Three separate layers are shown in one plane, but it will be appreciated that in use, the unit cell is fabricated such that the layers are stacked on top of each other, as in figure 2 shown in side view. It will also be appreciated that each of the layers 2, 4, 6 is composed of further sub-layers and sub-components, the description of which is omitted for clarity.

[0081] The lowest layer 2 contains active CMOS circuits and is divided into two main areas. The first area includes a low voltage CMOS logic circuit 8 that controls whether and when the cell 1 inks ink. The second region includes a high voltage CMOS that includes a large drive transistor 10 that supplies current to the actuator (see figure 2 ), the actuator ejects ink when activated by the control logic.

[0082] The intermediate la...

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PUM

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Abstract

A printhead module comprising at least first and second rows of print nozzles that extend along at least part of a pagewidth to be printed, each nozzle including first circuitry of a first type and second circuitry of a second type, such that, in plan view, the first and second circuitry are generally located at opposite ends of the nozzle, wherein the nozzles are orientated such that the respective positions of the first and second circuitry of each nozzle of the first row are mirrored or rotated relative to the respective positions of the first and second circuitry of corresponding nozzles in the second row.

Description

technical field [0001] The present invention relates to the field of print heads. [0002] The present invention has been developed for use with the applicant's inkjet printhead comprising a plurality of printhead modules extending across the width of the page, and will be described with reference to this application. It will be appreciated, however, that the present invention is applicable to other printhead arrangements having multiple rows of print nozzles. [0003] cross reference [0004] Various methods, systems and apparatuses related to the present application are disclosed in the following issued US patents and co-pending US applications filed by the applicant or assignee of the present applicant. All of these issued US patents and co-pending US applications are incorporated herein by reference. [0005] 09 / 517,539 09 / 112,763 09 / 112,762 09 / 112,737 09 / 112,761 [0006] 09 / 113,223 09 / 517,384 09 / 505,951 09 / 516,869 09 / 517,608 [0007] 09 / 505,147 09 / 505,952 09 / 517,380 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/14
CPCB41J2/14B41J2/14072
Inventor 卡·西尔弗布鲁克马克·杰克逊·皮尔韦迈克尔·约翰·韦布约翰·罗伯特·谢伊翰西蒙·罗伯特·瓦尔姆斯利
Owner MEMJET TECH LTD