Micro device, ink-jet printing head, method of manufacturing them and ink-jet recording device
US6382781B2 · kind B2 · utility
10Cited by
5References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2001 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | Jan 23, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14387
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In a micro device including a through hole for piercing a substrate and a fragile part provided around or across a part corresponding to a through hole of a multilayer film and relatively thinner than the other part, an opening can be formed in the multilayer film by cutting the multilayer film along or inside the fragile part and a through hole can be formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.