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nūhou

ʻO ka uhi ʻana o ka PCB conformal a me ka encapsulation PCB, ʻo wai kahi āu e koho ai?

Me ka ulu wikiwiki o ka ʻoihana uila, ua hoʻonui nui ʻia ka hoʻohana ʻana i nā PCB.Eia nō naʻe, ʻo kona hoʻohana ʻana i nā noi like ʻole e pili ana nā PCB i nā kūlana kaiapuni like ʻole.Ma kahi e ʻike ʻia ai ka PCB i ka makū a i ʻole nā ​​​​kemika paʻakikī, pilikia paha ka hana.No laila, pono e uhi ʻia ka PCB e pale iā ia mai nā kūlana kaiapuni.Hiki ke hoʻokō ʻia kēia pale ma o ka conformal coating a i ʻole potting a i ʻole ma ka encapsulation.

ʻO ka potting a me ka encapsulation resins e hele lōʻihi i ka hāʻawi ʻana i nā pae kiʻekiʻe o ka pale i nā PCB.ʻO ka ʻoiaʻiʻo, hāʻawi ka packaging i nā hiʻohiʻona uila a me ka pale mechanical.Hoʻopaʻa ʻia kēia pae kiʻekiʻe o ka pale e ka nui o ka resin e hoʻopuni ana i ka ʻāpana holoʻokoʻa.ʻOi aku ka nui o kēia i ka hoʻohālikelike ʻia me nā conformal coatings.ʻO ka ʻoiaʻiʻo, ʻo ka potting a me ka encapsulation e hāʻawi i ka pale paʻakikī.Eia nō naʻe, ʻo ka potting a me ka encapsulating resins e koi i ka hoʻāʻo ʻana ma nā wahi he nui i mea e hoʻoholo ai i kā lākou kikoʻī a kūpono no ka hoʻohana.Hoʻokomo pinepine kēia mau hoʻāʻo ʻana iā lākou i nā kūlana o ka lewa i hoʻomalu ʻia i kekahi manawa.Hiki ke ʻike ʻia ka nui, ke kaumaha a me ke ʻano o ka resin ma mua a ma hope o ka hoʻāʻo e nānā i nā loli.

Ma waho aʻe o ka potting a me ka encapsulation resins, hiki ke hoʻopili ʻia nā uhi conformal e pale i nā PCB.Hana ʻia kēia ma ke ʻano he membrane.Ma muli o ka hoʻohana ʻana o ke kiʻiʻoniʻoni i ka ʻaoʻao o ka papa, ʻaʻole ia e hoʻololi i ka nui a i ʻole e hoʻohui i ke kaumaha nui.ʻO ka ʻoiaʻiʻo, he mea maikaʻi kēia no nā uhi conformal no ka mea maʻalahi ia e hoʻolilo i nā polokalamu kelepona.Eia nō naʻe, koi ʻia nā hoʻāʻo e loiloi i nā waiwai uila a me nā mechanical o nā kiʻiʻoniʻoni i nā wahi kūpono.Pono e ho'āʻoʻia nā kiʻiʻoniʻoni ma lalo o nā kūlana e like me ka haʻahaʻa, ka mahana, a me nā mea'ē aʻe e hoʻoholo ai i ke kūpono o ke kiʻi no kēia kūlana lewa.

Loaʻa ka hoʻopili conformal a me ka encapsulation a me ka potting i nā nui like ʻole e kūpono ai no nā noi kikoʻī.No ka hapanui o nā kūlana maʻamau, hana maikaʻi ka hoʻopili conformal a me ka potting a me ka resin encapsulation.Eia naʻe, inā paʻakikī nā kūlana, eʻokoʻa ke koho o ka uhi.No ka laʻana, hana maikaʻi nā uhi acrylic me ka ʻike mau ʻana i ke kukui UV.Eia nō naʻe, ʻaʻole hiki ke hana maikaʻi nā uhi acrylic i nā kūlana me nā pae haʻahaʻa kiʻekiʻe.Ma lalo o kēia mau kūlana, hiki i nā pena non-VOC ke hana maikaʻi.

Loaʻa ka hana maikaʻi loa ma o ka hoʻohana ʻana i ka potting a me ka encapsulation resins kahi i loaʻa ai ke koʻikoʻi mechanical a i ʻole nā ​​kūlana kūlohelohe.ʻIke ʻia nā resins silicone a i ʻole polyurethane e hāʻawi i kahi kiʻekiʻe o ka maʻalahi.ʻO kaʻoiaʻiʻo, kahi haʻahaʻa haʻahaʻa loa, makemake ʻia nā resins polyurethane.He kūpono hoʻi lākou no nā mea i hoʻopaʻa ʻia i ka wai.I ka hihia o ka ʻike ʻana i nā kemika, ʻoi aku ka maikaʻi o ka epoxy resins.

No laila, ua maopopo i ka koho ʻana o ka uhi ʻana he nui ka pili ʻana i ke ʻano kino kahi e hana ai nā mea hana.ʻOi aku ka maikaʻi o ka hoʻopaʻa ʻia ʻana o ka conformal no nā ʻāpana e like me ka maʻalahi a me ka wikiwiki o ka hana ʻana, ka potting a me ka encapsulating resins ʻoi aku ka maikaʻi ʻoiai i nā kūlana climatic paʻakikī.ʻOi aku ka makemake o nā uhi conformal kahi e pono ai ka miniaturization a me ka portability o ka hāmeʻa.Ma muli o ka hāʻawi ʻana o nā mea ʻelua i nā pono maikaʻi, pono ka loiloi piha ʻana i kāu mau koi kūikawā ma mua o ka hoʻoholo ʻana i kahi uhi.


Ka manawa hoʻouna: Apr-19-2023