发明授权
- 专利标题: High density nozzle array for inkjet printhead
- 专利标题(中): 用于喷墨打印头的高密度喷嘴阵列
-
申请号: US319892申请日: 1994-10-06
-
公开(公告)号: US5638101A公开(公告)日: 1997-06-10
- 发明人: Brian J. Keefe , May F. Ho , Kenneth J. Courian , Steven W. Steinfield , Winthrop D. Childers , Ellen R. Tappon , Kenneth E. Trueba , Terri I. Chapman , William R. Knight , Jules G. Moritz, III
- 申请人: Brian J. Keefe , May F. Ho , Kenneth J. Courian , Steven W. Steinfield , Winthrop D. Childers , Ellen R. Tappon , Kenneth E. Trueba , Terri I. Chapman , William R. Knight , Jules G. Moritz, III
- 申请人地址: CA Palo Alto
- 专利权人: Hewlett-Packard Company
- 当前专利权人: Hewlett-Packard Company
- 当前专利权人地址: CA Palo Alto
- 主分类号: B41J2/175
- IPC分类号: B41J2/175 ; B41J2/05 ; B41J2/14 ; B41J2/16 ; G01D15/18
摘要:
Described is an inkjet print cartridge including an ink reservoir; a substrate having a plurality of individual ink firing chambers with an ink firing element in each chamber; said ink firing chambers arranged in a first chamber array and a second chamber array and said firing chambers spaced so as to provide 600 dots per inch printing; an ink channel connecting said reservoir with said ink firing chambers, said channel including a primary channel connected at a first end with said reservoir and at a second end to a secondary channel; a separate inlet passage for each firing chamber connecting said secondary channel with said firing chamber for allowing high frequency refill of the firing chamber; a group of said firing chambers in adjacent relationship forming a primitive in which only one firing chamber in said primitive is activated at a time; a first circuit on said substrate connected to said firing elements; and a second circuit on said cartridge connected to said first circuit, for transmitting firing signals to said ink firing elements at a predetermined frequency. The preferred configuration of the nozzle member, ink channels, and firing chambers allows a printing resolution of 600 dots per inch.