IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0213143
(2011-08-19)
|
등록번호 |
US-8419175
(2013-04-16)
|
발명자
/ 주소 |
- Graham, Jason J.
- Harrison, Jr., James E.
- Wellner, Lawrence A.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
15 |
초록
▼
A printing system includes a filter, a printhead including nozzles through which liquid is emitted, and a liquid supply system in liquid communication with the printhead through the filter. The filter, an electroformed metal structure, includes a plurality of first recesses, a plurality of second re
A printing system includes a filter, a printhead including nozzles through which liquid is emitted, and a liquid supply system in liquid communication with the printhead through the filter. The filter, an electroformed metal structure, includes a plurality of first recesses, a plurality of second recesses, a plurality of first pores, and a plurality of second pores. Each of the plurality of first recesses includes a first recess diameter and a first recess center-to-center spacing relative to each other. Each of the plurality of second recesses includes a second recess diameter and a second recess center-to-center spacing relative to each other. Each of the plurality of first pores is in fluid communication with a corresponding one of the plurality of first recesses and each of the plurality of second pores is in fluid communication with a corresponding one of the plurality of second recesses. In the filter, the first recess diameter is not equal to the second recess diameter and the first recess center-to-center spacing is not equal to the second recess center-to-center spacing.
대표청구항
▼
1. A printing system comprising: a filter including: an electroformed metal structure including: a plurality of first recesses, each of the plurality of first recesses having a first recess diameter, the plurality of first recesses having a first recess center-to-center spacing relative to each othe
1. A printing system comprising: a filter including: an electroformed metal structure including: a plurality of first recesses, each of the plurality of first recesses having a first recess diameter, the plurality of first recesses having a first recess center-to-center spacing relative to each other;a plurality of second recesses, each of the plurality of second recesses having a second recess diameter, the plurality of second recesses having a second recess center-to-center spacing relative to each other;a plurality of first pores, each of the plurality of first pores being in fluid communication with a corresponding one of the plurality of first recesses; anda plurality of second pores, each of the plurality of second pores being in fluid communication with a corresponding one of the plurality of second recesses, wherein the first recess diameter is not equal to the second recess diameter, and the first recess center-to-center spacing is not equal to the second recess center-to-center spacing;a printhead including a plurality of nozzles through which liquid is emitted; anda liquid supply system in liquid communication with the printhead through the filter. 2. The system of claim 1, the liquid supply system including a pressurized liquid source, wherein liquid is continuously ejected through the plurality of nozzles of the printhead. 3. The system of claim 1, wherein liquid is only ejected through the plurality of nozzles of the printhead when printing liquid drops are desired. 4. The system of claim 1, the liquid supply system including a pressurized liquid source, wherein liquid is continuous circuited through the liquid supply system but is only ejected through the plurality of nozzles of the printhead when printing liquid drops are desired. 5. The system of claim 4, wherein liquid is continuous circuited through the liquid supply system and the printhead. 6. The system of claim 1, each of the plurality of nozzles having a diameter, wherein the diameter of the plurality of first pores and the diameter of the plurality of second pores is less than the diameter of the plurality of nozzles. 7. The system of claim 6, wherein the diameter of the plurality of first pores and the diameter of the plurality of second pores is less than or equal to one half of the diameter of the plurality of nozzles. 8. A method of printing comprising: providing a filter including: an electroformed metal structure including: a plurality of first recesses, each of the plurality of first recesses having a first recess diameter, the plurality of first recesses having a first recess center-to-center spacing relative to each other;a plurality of second recesses, each of the plurality of second recesses having a second recess diameter, the plurality of second recesses having a second recess center-to-center spacing relative to each other;a plurality of first pores, each of the plurality of first pores being in fluid communication with a corresponding one of the plurality of first recesses; anda plurality of second pores, each of the plurality of second pores being in fluid communication with a corresponding one of the plurality of second recesses, wherein the first recess diameter is not equal to the second recess diameter, and the first recess center-to-center spacing is not equal to the second recess center-to-center spacing;providing a printhead including a plurality of nozzles through which liquid is emitted;providing a liquid supply system in liquid communication with the printhead through the filter; andcausing liquid to be emitted through the plurality of nozzles of the printhead. 9. The method of claim 8, the liquid supply system including a pressurized liquid source, wherein causing liquid to be emitted through the plurality of nozzles of the printhead includes continuously ejecting liquid through the plurality of nozzles of the printhead using the pressurized liquid source. 10. The method of claim 8, wherein causing liquid to be emitted through the plurality of nozzles of the printhead includes causing liquid to be ejected through the plurality of nozzles of the printhead only when printing liquid drops are desired. 11. The method of claim 8, the liquid supply system including a pressurized liquid source, wherein causing liquid to be emitted through the plurality of nozzles of the printhead includes continuously circulating liquid through the liquid supply system using the pressurized liquid source but ejecting liquid through the plurality of nozzles of the printhead only when printing liquid drops are desired. 12. The system of claim 11, wherein continuously circulating liquid through the liquid supply system using the pressurized liquid source includes continuously circulating liquid through the liquid supply system and the printhead. 13. The method of claim 8, each of the plurality of nozzles having a diameter, wherein the diameter of the plurality of first pores and the diameter of the plurality of second pores is less than the diameter of the plurality of nozzles. 14. The method of claim 13, wherein the diameter of the plurality of first pores and the diameter of the plurality of second pores is less than or equal to one half of the diameter of the plurality of nozzles.
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