Patent Number: 6,762,428

Title: Cream solder inspection method and apparatus therefor

Abstract: An inspection method for cream solder for determining whether or not the shape of the cream solder is appropriate based on information on the height of the cream solder by irradiating light from substantially besides in two directions opposing each other through a lighting means to the cream solder so as to obtain at least two images and obtaining a difference between the obtained images.

Inventors: Murakoshi; Takayuki (Kuwana-gun, JP), Tanaka; Makoto (Nagoya, JP), Ohashi; Kazuo (Kuwana-gun, JP)

Assignee: Nagoya Electric Works Co. Ltd.

International Classification: G01N 21/956 (20060101); G01N 21/88 (20060101); H05K 3/34 (20060101); H05K 1/02 (20060101); G01N 021/86 ()

Expiration Date: 07/12012