| 摘要 |
PROBLEM TO BE SOLVED: To obtain a pattern having the degree of freedoms with a good economy. SOLUTION: Glass plates 1, 6 are opposed, a filler 2 is filled in an opposed space of the plates 1, 6, and peripheries of the plates 1, 6 are sealed by a support 4. At this time, the filler 2 is filled in an amount of retaining little bubbles 3 in the space. When the plates 1, 6 opposed in this state are inclined, a plurality of the foams 3 of irregular sizes are formed at the time of moving the filler 2, and a difference of light transmitting amounts of the bubbles 3 and the filler 2 can create a delicate pattern.
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