Mafotokozedwe Akatundu
Aluminium Nitride, formula AlN, ndi zinthu zatsopano m'banja laukadaulo la ceramics. Ngakhale kuti kupezeka kwake kunachitika zaka zoposa 100 zapitazo, idapangidwa kukhala chinthu chogulitsa malonda ndi katundu wolamulidwa ndi wokhoza kubereka mkati mwa zaka 20 zapitazi.
Aluminium nitride ili ndi mawonekedwe a kristalo wa hexagonal ndipo ndi chinthu chogwirizana. Kugwiritsa ntchito zithandizo za sintering ndi kukanikiza kotentha kumafunika kuti pakhale zida zolimba zaukadaulo. Zinthuzo zimakhala zokhazikika mpaka kutentha kwambiri mumlengalenga wa inert. Mumlengalenga, okosijeni pamtunda kumayambira pamwamba pa 700 ° C. Mapangidwe a aluminiyamu okusayidi omwe amateteza zinthuzo mpaka 1370 ° C. Pamwamba pa kutentha uku kumatulutsa okosijeni wambiri. Aluminium nitride imakhala yokhazikika mumlengalenga wa hydrogen ndi carbon dioxide mpaka 980 ° C.
Zinthuzo zimasungunuka pang'onopang'ono mu mineral acid kudzera m'malire a tirigu, ndi ma alkali amphamvu poukira mbewu za aluminium nitride. Zinthuzo zimasungunuka pang'onopang'ono m'madzi. Ntchito zambiri zamakono zili m'dera lamagetsi kumene kuchotsa kutentha n'kofunika. Izi ndizosangalatsa ngati njira ina yopanda poizoni ya beryllia. Njira zopangira zitsulo zilipo kuti AlN igwiritsidwe ntchito m'malo mwa alumina ndi BeO pazinthu zambiri zamagetsi
Zakuthupi
✔ Makhalidwe abwino a dielectric
✔ Mkulu matenthedwe madutsidwe
✔ Kuchulukitsa kwamafuta otsika, kuyandikira kwa Silicon
✔ Osachitapo kanthu ndi mankhwala wamba a semiconductor ndi mpweya
Mapulogalamu
✔ Masinki otentha & zofalitsa kutentha
✔ Magetsi insulators kwa lasers
✔ Chucks, mphete zochepetsera zida zopangira semiconductor
✔ Ma insulators amagetsi
✔ Kusamalira ndi kukonza mkate wa silicon
✔ Ma substrates & insulators a zida za microelectronic & opto electronic zida
✔ Ma substrates a phukusi lamagetsi
✔ Zonyamula chip za masensa ndi zowunikira
✔ Chiplets
✔ Collets
✔ Zida zowongolera kutentha kwa laser
✔ Zopangira zitsulo zosungunuka
✔ Phukusi la zida za microwave
Zinthu Zakuthupi
Zimango | Mayunitsi a Muyeso | SI/Metric | (Imperial) |
Kuchulukana | gm/cc (lb/ft3) | 3.26 | -203.5 |
Porosity | % (%) | 0 | 0 |
Mtundu | — | imvi | — |
Flexural Mphamvu | MPa (lb/in2x103) | 320 | -46.4 |
Elastic Modulus | GPA (lb/in2x106) | 330 | -47.8 |
Shear Modulus | GPA (lb/in2x106) | — | — |
Bulk Modulus | GPA (lb/in2x106) | — | — |
Chiwerengero cha Poisson | — | 0.24 | -0.24 |
Compressive Mphamvu | MPa (lb/in2x103) | 2100 | -304.5 |
Kuuma | Kg/mm2 | 1100 | — |
Kupsinjika kwa Fracture KIC | MPa•m1/2 | 2.6 | — |
Kutentha Kwambiri Kugwiritsa Ntchito | °C (°F) | — | — |
(palibe katundu) |
Kutentha |
|
|
|
Thermal Conductivity | W/m•°K (BTU•in/ft2•ola•°F) | 140–180 | (970–1250) |
Coefficient of Thermal Expansion | 10–6/°C (10–6F) | 4.5 | -2.5 |
Kutentha Kwapadera | J/Kg•°K (Btu/lb•°F) | 740 | -0.18 |
Zamagetsi |
|
|
|
Mphamvu ya Dielectric | ac-kv/mm (volts/mil) | 17 | -425 |
Dielectric Constant | @1MHz | 9 | -9 |
Dissipation Factor | @1MHz | 0.0003 | -0.0003 |
Kutayika kwa Tangent | @1MHz | — | — |
Kukaniza kwa Voliyumu | ohm•cm | >1014 | — |
Kupaka & Kutumiza
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ZOKHUDZA
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