ʻO ka ʻepekema ma hope o ka pololei o Granite i ka hana PCB.

 

Ma ka ʻoihana uila, he mea koʻikoʻi ka pololei, ʻoi aku ka nui o ka hana ʻana i nā papa kaapuni paʻi (PCB). ʻO Granite ka pōhaku kihi o kēia pololei a me kekahi o nā mea hoihoi loa. ʻO ka ʻepekema ma hope o ka hana ʻana o ka granite i ka hana PCB he hui hoʻohiwahiwa o ka geology, engineering, a me ka ʻenehana.

ʻO Granite he pōhaku maoli i haku ʻia me ka quartz, feldspar, a me ka mica e hāʻawi ana i ka paʻa a me ka lōʻihi. Hana kēia mau waiwai i ka granite i mea kūpono no ka hana ʻana i nā papa hana PCB. ʻO ka palahalaha a me ka paʻakikī o nā papa pōhaku granite e hāʻawi i kahi kahua paʻa no nā kaʻina hana paʻakikī e pili ana i ka hana PCB, e like me ka photolithography a me ka etching. Hiki ke hoʻololi i ka palahalaha o ka ʻili i nā hewa koʻikoʻi i ka hoʻonohonoho ʻana o nā ʻāpana, e hōʻemi ana i ka hana o ka huahana hope.

Eia kekahi, ʻo ke kūpaʻa wela o ka granite kekahi kumu nui. I ka wā o ke kaʻina hana PCB, pili ka hoʻomehana i nā ʻano like ʻole. Hiki i ka Granite ke pale i nā wela kiʻekiʻe me ka ʻole o ka piko a i ʻole deforming, e hōʻoiaʻiʻo ana e mālama ʻia ka pololei o ka hoʻonohonoho PCB i loko o ke kaʻina hana. He mea koʻikoʻi kēia ʻano wela wela no nā kaʻina hana e like me ke kūʻai ʻana, kahi e hiki ai i ka fluctuations o ka mahana ke kumu i ka misalignment a me nā hemahema.

Eia kekahi, ʻo ke ʻano porous ʻole o ka granite ka mea e pale ai i ka hoʻohaumia ʻana, he mea koʻikoʻi i ka lumi maʻemaʻe kahi i hana ʻia ai nā PCB. Hiki i ka lepo a me nā ʻāpana ke hoʻopau maʻalahi i nā kaʻina hana maʻalahi e pili ana i ka hana ʻana i ka PCB, a kōkua ka ʻili pōhaku i ka hōʻemi ʻana i kēia pilikia.

I ka hōʻuluʻulu ʻana, ʻo ke kumu ʻepekema no ka pololei o ka granite i ka hana PCB aia i loko o kāna mau waiwai kino. ʻO ke kūpaʻa o ka Granite, ka pale ʻana i ka wela, a me ka maʻemaʻe e lilo ia i mea waiwai nui no ka ʻoihana uila, e hōʻoiaʻiʻo ana i nā PCB i hana ʻia i ke ʻano kiʻekiʻe a me ka hilinaʻi. Ke hoʻomau nei ka ʻenehana i ka holomua, e hoʻomau ʻia ka granite i ke kuleana nui i ka ʻimi ʻana i ka pololei i ka hana uila.