Patent ID: 6163972
Filing Date: 2000-12-26
Classification: H01L

Abstract:
A tool for calibrating the leveling of a blade comprising:a body portion having generally a rectangular configuration comprising two extended surfaces of a first inner surface and an outer surface joined together by four side surfaces, said first inner surface having a multiplicity or straight lines marked thereon parallel with a bottom edge of said first inner surface having a preset spacing between said straight lines not larger than 1 mm, anda leg portion unitarily connected to and extending first outwardly from said first inner surface forming a horizontal section and then downwardly to a bottom surface that is on the same plane with a bottom surface of said body portion, said leg portion having a second inner surface connecting perpendicularly to said first inner surface of the body portion, said second inner surface is marked on said vertical section with a second multiplicity of straight lines parallel with a bottom surface of said vertical section of the leg portion, said second multiplicity of straight lines being marked in the same scale as said first multiplicity of straight lines.