Method for producing a pricking element
US8087141B2 · kind B2 · utility
0Cited by
6References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2007 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Sep 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12188
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The sheet metal or substrate material 22 is constructed by a photo-chemical machining or milling method. In this exemplary process, an etching mask 24 is applied to both sides of the substrate 22 and covers the structure of the flat-shaped member 12, which is to be uncovered in a subsequent etching step. The mask 24 is formed by coating the substrate 22 with a photoresist and is exposed through a photomask having the desired pattern that is arranged in front of the mask, whereby the photoresist is polymerized or hardened in the covered areas while the other areas are rinsed away after development.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.