| 摘要 |
An optical transceiver comprising a metal case, and an insulating film at least partially covering a case projecting from a host device when the optical transceiver is set in the host device. A method for coating the optical transceiver to be set in the host device comprises steps for sticking a tape to the receptacle portion with a silicone film of the case projecting from the host device when the optical transceiver is set in the host device, for stripping the tape after masking the part other than the receptacle portion, and for immersing the case entirely in a cation electrodeposition paint tank to form an insulating film composed of a cation electrodeposition coating film at the receptacle portion.
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