音響機器用振動板の製作に対する電鋳法の応用について

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書誌事項

タイトル別名
  • Electroforming Method for Making Diaphragms of Electroacoustic Transducers
  • オンキョウ キキヨウ シンドウバン ノ セイサク ニ タイスル デンチュウホウ ノ オウヨウ ニ ツイテ

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抄録

Hitherto diaphragms of electroacoustic transducers were made by press method, and by which high precision can be obtained as is well known. On the other hand, in the course of designing acoustical apparatus, it is often necessary to make various types of diaphragms for testing. In such cases, as required number of each type is not so many, the press method is inconvenient for this purpose because of the cost of making press moulds, and electroforming method is considered to be far better than this method. In this paper, application of electroforming to diaphragms and results of some experiments are described. Copper is used as material. Effect of deposition on thickness and structure of metal plate are studied. Density, Young's modulus and tensile strength are also examined. Displacement-frequency characteristics of electroformed diaphragms are satisfactory and similar to those of diaphragms made by usual method.

収録刊行物

  • 日本音響学会誌

    日本音響学会誌 19 (4), 164-172, 1963

    一般社団法人 日本音響学会

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