ʻO Conductive adhesive kahi mea hoʻopili kūikawā, ka mea nui i haku ʻia me ka resin a me ka hoʻopiha conductive (e like me ke kālā, ke gula, ke keleawe, ka nickel, ka tin a me nā alloys, carbon pauka, graphite, etc.), hiki ke hoʻohana ʻia no ka hoʻopaʻa ʻana i nā ʻāpana microelectronic a me ka hana ʻana. kaʻina hana.
Nui nā ʻano mea hoʻopili conductive.E like me nā ʻāpana conductive like ʻole, hiki ke hoʻokaʻawale ʻia nā mea hoʻopili conductive i metala (gula, kālā, keleawe, aluminika, zinc, hao, nickel pauka)-hoʻokumu a me carbon-based conductive adhesives.Ma waena o nā mea hoʻopili conductive i luna, ʻo ka conductive adhesive synthesized e ka pauka kālā he conductivity maikaʻi loa, adhesiveness a me ka paʻa kemika, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka papa adhesive, a ua lohi loa ka oxidation rate i ka lewa inā ʻo ia ka oxidized. Ua loaʻa nō ka conductivity maikaʻi i ka ʻokikene kālā i hana ʻia.No laila, i ka mākeke, ʻoi aku hoʻi i nā mea uila me nā koi hilinaʻi kiʻekiʻe, nā conductive adhesives me ka pauka kālā e like me nā conductive fillers ka mea i hoʻohana nui ʻia.I ke koho ʻana i ka resin matrix, ua lilo ka epoxy resin i mea koho mua ma muli o kona ʻike kiʻekiʻe o nā pūʻulu ikaika, ikaika cohesive kiʻekiʻe, adhesion maikaʻi, nā waiwai mechanical maikaʻi loa, a me nā waiwai hoʻohui maikaʻi.
I ka manawapauda kalaua hoʻohui ʻia i ka epoxy adhesive ma ke ʻano he conductive filler, ʻo kāna hana conductive ka pilina ma waena o nā pauka kālā.Ma mua o ka ho'ōla a hoʻomaloʻo ʻia ka mea hoʻopili conductive, kū kaʻawale ka pauka kālā i loko o ka epoxy adhesive a ʻaʻole hōʻike i ka pilina mau me kekahi, akā aia i loko o kahi kūlana non-conductive a insulating.Ma hope o ka ho'ōla a me ka maloʻo, ma muli o ka ho'ōla ʻana o ka ʻōnaehana, ua hoʻopili ʻia nā pauka kālā i kekahi i kekahi i ke ʻano kaulahao e hana i kahi pūnaewele conductive, e hōʻike ana i ka conductivity.Ma hope o ka hoʻohui ʻana i ka pauka kālā i ka epoxy adhesive me ka hana maikaʻi (ʻo ka nui o ka mea paʻakikī a me ka lāʻau lapaʻau he 10% a me 7% o ka epoxy resin mass, kēlā me kēia), hoʻāʻo ʻia ka hana ma hope o ka ho'ōla ʻana.Wahi a ka ʻikepili hoʻokolohua, e like me ka piʻi ʻana o ka nui o ke kālā i loko o ka conductive adhesive, hoʻemi nui ka resistivity volume.ʻO kēia no ka mea i ka liʻiliʻi o ka pauda kālā, ʻoi aku ka nui o ka resin i loko o ka ʻōnaehana ma mua o ka pauka kālā conductive filler, a paʻakikī ke hoʻopili ʻana i ka pauka kālā e hana i kahi ʻoihana conductive maikaʻi, no laila ke hōʻike nei i kahi kūʻē kiʻekiʻe. .Me ka hoʻonui ʻana i ka nui o ka pauka kālā, hoʻonui ka emi ʻana o ka resin i ka hoʻopili ʻana o ka pauka kālā, kahi mea e pono ai i ka hoʻokumu ʻana i ka ʻoihana conductive a hoʻemi i ka resistivity volume.Ke hoʻopiha ʻia ka nui o 80%, ʻo ka resistivity ka leo he 0.9 × 10-4Ω•cm, nona ka conductivity maikaʻi, FYI.
Nā pauka kalame ka adjustable particle size (mai 20nm-10um), nā ʻano like ʻole (spherical, near-spherical, flake) a me ka lawelawe maʻamau no ka density, SSA, etc.
No ka ʻike hou aku, e ʻoluʻolu e hoʻokaʻaʻike mai iā mākou.
Ka manawa hoʻouna: Sep-17-2021