Matsushita Electric Industrial Co., Ltd.

Mitsuyoshi Kio

Masao Nakamura

Tetsushiro Torigoe

Yukio Koike

Chitoshi Hara

Weight of the paste (21) per area is measured continuously without contact by irradiating the belt-shaped paste-coated punched metal electrode (41) with .beta. ray (51), during running of the electrode (41) on a production line, then trapping dosage of the .beta. ray radiation transmitted through the electrode (41) by an ionization chamber (4b, 50), followed by processing the measured value in a micro-processor unit (6) on the basis of comparing with a previously determined reference value. BY means of the output signal from the processor (6), the gap of slit (24) between the blades (23a and 23b) is feedback-controlled, so as to control thickness, hence weight per unit area of the pasty mixture uniform.

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Fujisawa, Japan

Mitsuyoshi Kio