一种新型低温共烧堇青石基微晶玻璃_陈国华.pdf

27 4 V ol . 27 N o . 4 2005 8 P IEZOEL E CT R ICS A COU ST OO PT ICS A ug . 2005 : 1004-2474 ( 2005) 04-0421-0 3 陈 国 华 ( , 54 1004) : - - - ( ) , M gO A l2 O3 SiO2 Bi2 O3 M A SB , 900 -, -, C L A ( 5. 23) , ( 0. 2% ) , : ; ; -; : T Q 17 : A - - - - A New Low temperature Co f ired Cordierite based Gl ass ceramics - CHEN Guo hua ( D ep . of Inform a ion M a erials Science and E ngineering Guilin U n ivers i y of El ec r on ic T echn ol ogy , Gu ilin 54 1004, China) : - - - Abstract M ASB g la ss po w der in M g O Al2 O 3 SiO 2 Bi2 O 3 sys em w as pr epared by conv en ional m el ing me hod . T he sin er ing behavior and cr ys alliza ion pr o cess w er e inv es ig a ed by means o f T M A , DT A and XR D echniques . T he r esul s show ed ha he glass could be sin er ed a lo w er han 900 C . T he L-co rdier i e cr ys alli e , - . w as f ir s cr ys allized fr om glass a nd hen ransfor med in o A co rdier i e phase dur ing sin ering pr ocess Bismu h . - - ox ide did no par icipa e he for ma io n o f he cr ys alline phases T he o b ained cor dier i e based g la ss cer amics ha ve lo w dielec r ic cons an ( 5. 23) and low dielec r ic dissipa ion f ac or ( 0. 2% ) as w ell as lo w - empera ur e sin ering beha vio r , w hich is co mpa ible fo r mul ilay er chip induc o r applica