US2023242450A1PendingUtilityA1

Modified scheelite material for co-firing

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Assignee: SKYWORKS SOLUTIONS INCPriority: Jun 18, 2018Filed: Dec 27, 2022Published: Aug 3, 2023
Est. expiryJun 18, 2038(~11.9 yrs left)· nominal 20-yr term from priority
Inventors:Michael David HillDavid Bowie CruickshankJeffrey Alan ShunkwilerJohn Jianzhong JiangDavid Martin FirorNeil Bruce Coats
C04B 35/495H01P 1/38C04B 37/001C04B 35/2675H01P 1/36C04B 2237/84C04B 2235/326C04B 2235/9607C04B 2235/3256C04B 2235/3203C04B 2235/3239C04B 2235/3217C04B 2235/3227C04B 2235/3229C04B 2235/764C01G 39/006H01P 1/387H01P 11/00C01G 41/006C04B 2235/3298C04B 35/453H01P 5/19H01B 3/10
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Claims

Abstract

Disclosed herein are embodiments of low temperature co-fireable scheelite materials which can be used in combination with high dielectric materials, such as nickel zinc ferrite, to form composite structures, in particular for isolators and circulators for radiofrequency components. In some embodiments, the scheelite material can include aluminum oxide for temperature expansion regulation.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A composite material for use as a radiofrequency component comprising:
 a rod including a magnetic garnet material; and   a ring surrounding the rod, the ring being formed from a scheelite material having a firing temperature of 950° C. or below.

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