Integration of High-Frequency M-Type Hexagonal Ferrite Inductors in LTCC Multilayer Modules
Monolithic hexagonal BaCo1,3Ti1,3Fe9,4O19 ferrite multilayers sintered at 900°C exhibit a fine‐grained microstructure with permeability of μ′ = 16 and a resonance frequency fr ≥ 1GHz. Co‐firing of hetero‐laminates of ferrite with CT700 glass–ceramic LTCC tapes and with polycrystalline zinc titanate...
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| Veröffentlicht in: | International journal of applied ceramic technology 2016-05, Vol.13 (3), p.540-548 |
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| container_end_page | 548 |
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| container_issue | 3 |
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| container_title | International journal of applied ceramic technology |
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| creator | Bierlich, Silvia Reimann, Timmy Barth, Stefan Capraro, Beate Bartsch, Heike Müller, Jens Töpfer, Jörg |
| description | Monolithic hexagonal BaCo1,3Ti1,3Fe9,4O19 ferrite multilayers sintered at 900°C exhibit a fine‐grained microstructure with permeability of μ′ = 16 and a resonance frequency fr ≥ 1GHz. Co‐firing of hetero‐laminates of ferrite with CT700 glass–ceramic LTCC tapes and with polycrystalline zinc titanate (ZT) LTCC tapes was studied. Co‐firing at 900°C of ferrite/CT700 leads to multilayers with cracks caused by substantial thermal expansion mismatch. Co‐fired ferrite/ZT multilayer laminates exhibit a permeability of μ′ = 16 and do not show any defects. Hexagonal ferrite multilayer inductor elements were integrated into ZT‐based multilayer LTCC modules and co‐fired at 900°C with Ag metallization. |
| doi_str_mv | 10.1111/ijac.12512 |
| format | Article |
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Co‐firing of hetero‐laminates of ferrite with CT700 glass–ceramic LTCC tapes and with polycrystalline zinc titanate (ZT) LTCC tapes was studied. Co‐firing at 900°C of ferrite/CT700 leads to multilayers with cracks caused by substantial thermal expansion mismatch. Co‐fired ferrite/ZT multilayer laminates exhibit a permeability of μ′ = 16 and do not show any defects. 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Hexagonal ferrite multilayer inductor elements were integrated into ZT‐based multilayer LTCC modules and co‐fired at 900°C with Ag metallization.</description><subject>Alloys</subject><subject>Ceramics</subject><subject>Ferrite</subject><subject>Inductors</subject><subject>Laminates</subject><subject>Modules</subject><subject>Multilayers</subject><subject>Permeability</subject><subject>Zinc</subject><issn>1546-542X</issn><issn>1744-7402</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kE1PwzAMhisEEuPjwi-IxAUhFfLVpjtOFds6bcBhCASHKKTJyCjNSFqx_nsyBhw4YB9sWc9r2W8UnSB4gUJcmqWQFwgnCO9EPcQojRmFeDf0CU3jhOKH_ejA-yWEhBKS9qKnom7UwonG2BpYDcZm8RIPnXpvVS07MIvn3UqBsVqLha1FBYbKOdMoUNRlKxvrPDA1mM7zHMzaqjGV6JQDM1u2lfJH0Z4WlVfH3_UwuhtezfNxPL0ZFflgGktKMhyXhGmN-1iSkhJWMpEwqGmSIiqeJS7pM9YQYYRlomEqmSSs38c6y1SYUo0kOYzOtntXzoa7fcPfjJeqqkStbOs5ymBIlFEU0NM_6NK2LjwWKJahBMIUskCdbynprPdOab5y5k24jiPINz7zjc_8y-cAoy38YSrV_UPyYjLIfzTxVmN8o9a_GuFeecoIS_j99YjfziaPQ8Im_JZ8AkRBjVE</recordid><startdate>201605</startdate><enddate>201605</enddate><creator>Bierlich, Silvia</creator><creator>Reimann, Timmy</creator><creator>Barth, Stefan</creator><creator>Capraro, Beate</creator><creator>Bartsch, Heike</creator><creator>Müller, Jens</creator><creator>Töpfer, Jörg</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201605</creationdate><title>Integration of High-Frequency M-Type Hexagonal Ferrite Inductors in LTCC Multilayer Modules</title><author>Bierlich, Silvia ; Reimann, Timmy ; Barth, Stefan ; Capraro, Beate ; Bartsch, Heike ; Müller, Jens ; Töpfer, Jörg</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4382-d37ff292c3d437d7a570f45614abc2d4b2f01212c5f06c7c37992f88e0124f1c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Alloys</topic><topic>Ceramics</topic><topic>Ferrite</topic><topic>Inductors</topic><topic>Laminates</topic><topic>Modules</topic><topic>Multilayers</topic><topic>Permeability</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bierlich, Silvia</creatorcontrib><creatorcontrib>Reimann, Timmy</creatorcontrib><creatorcontrib>Barth, Stefan</creatorcontrib><creatorcontrib>Capraro, Beate</creatorcontrib><creatorcontrib>Bartsch, Heike</creatorcontrib><creatorcontrib>Müller, Jens</creatorcontrib><creatorcontrib>Töpfer, Jörg</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of applied ceramic technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bierlich, Silvia</au><au>Reimann, Timmy</au><au>Barth, Stefan</au><au>Capraro, Beate</au><au>Bartsch, Heike</au><au>Müller, Jens</au><au>Töpfer, Jörg</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Integration of High-Frequency M-Type Hexagonal Ferrite Inductors in LTCC Multilayer Modules</atitle><jtitle>International journal of applied ceramic technology</jtitle><addtitle>Int. 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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Alloys Ceramics Ferrite Inductors Laminates Modules Multilayers Permeability Zinc |
| title | Integration of High-Frequency M-Type Hexagonal Ferrite Inductors in LTCC Multilayer Modules |
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