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Pepala lopanda sulfure
Pepala lopanda sulfure ndi pepala lapadera lopangidwa ndi PCB lomwe limagwiritsidwa ntchito popanga ma PCB siliva m'ma circuit board kuti lipewe kuyanjana kwa mankhwala pakati pa siliva ndi sulfure mumlengalenga. Ntchito yake ndikupewa kuyanjana kwa mankhwala pakati pa siliva muzinthu zopangira ma electroplating ndi sulfure mumlengalenga, kuti zinthuzo zisinthe kukhala zachikasu, zomwe zimapangitsa kuti zinthuzo zisinthe. Pamene chinthucho chatha, gwiritsani ntchito pepala lopanda sulfure kuti mupake chinthucho mwachangu momwe mungathere, ndipo valani magolovesi opanda sulfure mukakhudza chinthucho, ndipo musakhudze pamwamba pake.
