| 摘要 |
PROBLEM TO BE SOLVED: To improve a product yield by separating an inner member from a high-temperature and high-voltage atmosphere on forming for protection without increasing the mechanical strength and the dimensional accuracy of the inner member of a resin molding to a level that is more than required. SOLUTION: A resin molding such as fluorine plastic molding being molded by an envelope material where an inner member is formed by the molding of a resin, for example, the detector of an electromagnetic induction type conductivity meter for liquid is manufactured. A ceramic filler 26 is filled into the surrounding space of coils 11 and 12 being surrounded by, for example, an outer cylinder 21a and an inner cylinder 21b of a coil accommodation part 21, and fluorine resin such as Teflon is molded from the above, thus forming an envelope material 19. |
