METHOD OF MANUFACTURING LIQUID DROP EJECTION HEAD, LIQUID DROP EJECTION HEAD, AND IMAGE FORMING APPARATUS
PROBLEM TO BE SOLVED: To make opening widths of two mask patterns coincident so that the penetrating degree of an etching liquid can be the same and both optimum conditions coincide so as to obtain both of them with desired dimensions with high accuracy. SOLUTION: In a method of manufacturing a liqu...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
06.05.2010
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| Subjects | |
| Online Access | Get full text |
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| Abstract | PROBLEM TO BE SOLVED: To make opening widths of two mask patterns coincident so that the penetrating degree of an etching liquid can be the same and both optimum conditions coincide so as to obtain both of them with desired dimensions with high accuracy. SOLUTION: In a method of manufacturing a liquid drop ejection head, which has a vibrating plate composed of a diaphragm layer and a frame layer and formed with a plurality of protrusions formed of the frame layer and alignment holes penetrating both the frame layer and diaphragm layer, the mask pattern for forming the alignment holes of the frame layer is a ring-like pattern having the opening width equal to the opening width of the mask pattern for forming the protrusions. COPYRIGHT: (C)2010,JPO&INPIT |
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| AbstractList | PROBLEM TO BE SOLVED: To make opening widths of two mask patterns coincident so that the penetrating degree of an etching liquid can be the same and both optimum conditions coincide so as to obtain both of them with desired dimensions with high accuracy. SOLUTION: In a method of manufacturing a liquid drop ejection head, which has a vibrating plate composed of a diaphragm layer and a frame layer and formed with a plurality of protrusions formed of the frame layer and alignment holes penetrating both the frame layer and diaphragm layer, the mask pattern for forming the alignment holes of the frame layer is a ring-like pattern having the opening width equal to the opening width of the mask pattern for forming the protrusions. COPYRIGHT: (C)2010,JPO&INPIT |
| Author | OKAMOTO AKIHITO |
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| Notes | Application Number: JP20080275057 |
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| RelatedCompanies | RICOH CO LTD |
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| Snippet | PROBLEM TO BE SOLVED: To make opening widths of two mask patterns coincident so that the penetrating degree of an etching liquid can be the same and both... |
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| SubjectTerms | CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS |
| Title | METHOD OF MANUFACTURING LIQUID DROP EJECTION HEAD, LIQUID DROP EJECTION HEAD, AND IMAGE FORMING APPARATUS |
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