Why 170+ W/mK AlN datasheets don't guarantee reliability in SiC power modules. This article reveals the hidden risks that surface during validation—batch inconsistency, flatness variation, density uniformity issues, and metallization mismatches. Learn what experienced engineering teams actually look for in AlN substrate suppliers: batch repeatability, transparent QC, and engineering-stage support.

Beryllium oxide (BeO) ceramics, with their unique combination of properties—high thermal conductivity, high electrical insulation, high-temperature resistance, and excellent nuclear properties—have secured important applications in these fields. Despite challenges in toxicity management, their comprehensive performance advantages ensure they retain significant research and application value under

Alumina grinding balls have become a popular grinding medium in the pharmaceutical industry due to their ultra-high hardness, excellent wear resistance, chemical inertness, and high purity, making them ideal for micronizing active pharmaceutical ingredients, formulation preparation, and biopharmaceutical research and development.

ʻO ka metala seramika ke ʻano o ka waiho ʻana i kahi uhi metala paʻa loa ma luna o kahi ʻili seramika. He ʻanuʻu koʻikoʻi kēia no ka mea ʻaʻole hiki ke hoʻomaʻemaʻe ʻia nā seramika i ka solder. ʻO ka ʻāpana metallized e hoʻolilo iā lākou i solderable, e hāʻawi ana i ke kumu kūpono no ka hana ʻana i nā pilina ceramic-a-metala ikaika.

ʻO nā papa kaapuni paʻi kiʻekiʻe metala maʻamau (MCPCBs) he kiʻekiʻe ke kūpaʻa wela ma muli o ke koi ʻana o ka polymer insulation layer ma waena o nā metala a me nā papa kaapuni, e hoʻonui ana iā lākou i ka hiki ʻole ke hoʻokō i nā pono dissipation wela o nā LED mana kiʻekiʻe a kiʻekiʻe. I ka hoʻohālikelike ʻana, hui pū nā substrates seramika i ka insulation a me ka conductivity thermal, e hoʻopau ana i ka pale ʻana o ka wela interfacial.

ʻO ka alumina ka inoa maʻamau no ka alumini oxide (Al2O3). ʻO ia kahi seramika ʻenehana paʻa me ka hui pū ʻana o nā ʻano mechanical a me nā uila. He kūpono ia no nā ʻano hana ʻoihana like ʻole.

ʻO ka Boron nitride kahi mea hoʻoheheʻe synthetic paʻakikī i hele mai i ka pauka a me ke ʻano paʻa. ʻO ka Boron nitride kahi mea ʻokoʻa maoli ma muli o kona mau ʻano kūikawā, ʻo ia hoʻi ka nui o ka wela wela, ka maʻalahi o ka mīkini, ka lubricity, ka mau dielectric haʻahaʻa, a me ka ikaika dielectric i hoʻonui ʻia.

ʻO ka alumini nitride kahi mea pono i nā ʻano hana ʻenehana ma muli o kāna mau mea kemika a me ke kino.Eia naʻe, i ka hana ʻana, ua hoʻokaʻawale ʻia ka nitride aluminika i ʻelua mau ʻano e pili ana i ke kaʻina hana sintering: pressureless sintered alumini nitride a me ka wela-pressed alumini nitride. ʻOkoʻa loa nā hiʻohiʻona a me nā hoʻohana ʻana o kēia mau ʻano ʻelua.

ʻO Boron carbide kekahi o nā mea ikaika loa a paʻa loa i loaʻa i kēia mau lā, kahi mea nui i ka hana, ka pono, a me ke ola. Ua ʻike ʻia ʻo ia no kona kūpaʻa ʻana o ka wela, ka inertness kemika, a me ka maikaʻi o ke kumu kūʻai, a ua hōʻoia ʻia he waiwai waiwai i nā ʻano ʻoihana like ʻole, me ka hana ʻana a me ka pale.

I loko o ka ʻohana Kovar, ʻo 4J29 ka mea maʻamau a ʻōlelo ʻia no ka brazing high-alumina ceramics, e hāʻawi ana i kahi kaulike maikaʻi o ka hana, ke kumukūʻai, a me ka hilinaʻi. ʻO 4J33/34 ka hoʻomaikaʻi ʻana i ka hana no nā noi kūikawā e koi ana i nā mahana hana ʻoi aku ka nui a i ʻole nā ​​hiʻohiʻona nonmagnetic ikaika. ʻO ka brazing o Kovar me nā alumina seramika, i kākoʻo ʻia e kā lākou therma