Post laser drilling stress relief of surgical needles made of refractory alloys
- 专利权人:
- Robert E. Maurer
- 发明人:
- Robert E. Maurer
- 申请号：
- US12139744
- 公开号：
- US08778102B2
- 申请日:
- 2008.06.16
- 申请国别(地区):
- US
- 年份:
- 2014
- 代理人:
- 摘要：
- A method of stress relieving drilled surgical needles is disclosed. At least the metal about a drilled bore hole is heat treated to relieve stress without annealing.
- 来源网站：
- 中国工程科技知识中心
