Cutting tool for making circuit substrate with flat bottom surface and concave cups

Application Number  00128446 Application Date  2000.11.23
Publication Number  1355078 Publication Date  2002.06.26
Priority Information    
Applicant(s) Name  Li Zhishu  
Inventor(s) Name  Li Zhishu;Wang Wenrong  
Patent Agency Code  11105 Patent Agent  he xiumeng
AbstractA cutting tool for manufacturing the circuit baseplate with flat-bottom recessses on it is composed of a long straight handle with a bottom surface and a part clamped by a fixture, a cutting body with two cutting edges, two filings discharging slots and two grinding surfaces, and its end part with a flat top surface and two cutting arcs. The flat top surface has a knife tip part, inclinations, oblique angles, etc.. The knife tip part has a drilling angle and a milling angle.