Patent ID: 7143772
Filing Date: 2006-12-05
Classification: H05K,Y10S,Y10T

Abstract:
1. A cleaning device to remove an unnecessary material from a film-coated board material to which the unnecessary material is sticking, wherein said film-coated board material comprises a board material and a film material as a mask bonded to said board material, said film material is bonded to said board material in a manner such that it can be removed from said film-coated board material, said unnecessary material is produced when a hole is formed in said film-coated board material, and said unnecessary material is sticking to said film-coated board material, said cleaning device comprises a cleaning tank; a cleaning solution provided in said cleaning tank; a supersonic oscillator installed in said cleaning solution; a feeding device which feeds said film-coated board material into said cleaning solution while retaining said film-coated board material; and a means for selectively removing said unnecessary material from said film-coated board material without peeling said film material; wherein said means for selectively removing said unnecessary material comprises a plurality of resonance control plates which hold said film-coated board material therebetween, and wherein the plurality of resonance control plates include at least one plate which internally has at least either an air layer or bubbles.