JP7115941B2 - 複合材料の形成方法、及び無線周波数アイソレータ又はサーキュレータの形成方法 - Google Patents
複合材料の形成方法、及び無線周波数アイソレータ又はサーキュレータの形成方法 Download PDFInfo
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Description
本願は、2017年9月8日に出願された「低温共焼成可能誘電性材料」との名称の米国仮出願第62/555,811号の利益を主張する。その全体がここに参照により組み入れられる。
・結合器及び他の伝送線路の性能損失が、半導体結合器のような他の結合器と比べ、かなり低くなり、
・結合が一貫したものとなり、
・負荷が、ソフト基板と比べ、容易に放熱することができ、
・サーキュレータの損失が、全フェライト基板ベースのデバイスよりも低くなり、
・誘電体が温度安定的となって、結合器及びサーキュレータの性能を補助し、
・デバイスのサイズが、必要に応じて高誘電率セラミック誘電体を使用することによって低減される。
・PA及び負荷の熱/電力の放散/熱伝導性
・結合器/フィルタ設計の等方的な誘電性(TTBを除く)
・サイズ低減のための誘電率範囲(4~100+)
・低い誘電性損失(結合器/フィルタ)
・緊密な誘電率公差(結合器/フィルタ/アンテナ)
・温度に対して安定した誘電率(結合器/フィルタ/サーキュレータ)
・控えめなコスト
・プラスチック導体ゆえの低い伝導性
・非等方性(xy対z方向)
・3~10だけのものもあれば、固定のものもある
・高い損失
・緩い公差
・温度に対する不安定性
Claims (20)
- 無線周波数コンポーネントとして使用される複合材料を形成する方法であって、
リングの形状の低温焼成可能外側材料を与えることであって、前記低温焼成可能外側材料はガーネット又は灰重石構造を有することと、
円盤の形状の高誘電性内側材料を前記低温焼成可能外側材料の中に入れることであって、前記高誘電性内側材料は30を上回る誘電率を有することと、
前記低温焼成可能外側材料及び前記高誘電性内側材料を一緒に、650~900℃の温度において接着剤又はのりを使用することなく共焼成することと
を含む、方法。 - 前記低温焼成可能外側材料はNa0.2Bi0.8Mo0.4V0.6O4又はNa0.35Bi0.65Mo0.7V0.3O4である、請求項1の方法。
- 前記低温焼成可能外側材料は組成Bi1-x/2 A x/2 V1-xMxO4を有し、
AはLi、Na、K、又はこれらの組み合わせであり、
MはMo、W、又はこれらの組み合わせであり、
xは0~1である、請求項1の方法。 - 前記低温焼成可能外側材料は20~80の誘電率を有する、請求項3の方法。
- 前記低温焼成可能外側材料は組成C2BiD2V3O12を有し、
CはLi、Na、K、又はこれらの組み合わせであり、
DはMg、Zn、Co、Ni、Cu、又はこれらの組み合わせである、請求項1の方法。 - 前記低温焼成可能外側材料は化学式BaWO4を有するタングステン酸バリウムである、請求項1の方法。
- 前記タングステン酸バリウムはMgAl2O4又はCoAl2O4により修正される、請求項6の方法。
- 前記低温焼成可能外側材料はNa2BiMg2V3O12である、請求項1の方法。
- 前記高誘電性内側材料は35を上回る誘電率を有する、請求項1の方法。
- 無線周波数コンポーネントとして使用される複合材料を形成する方法であって、
低温焼成可能外側材料を与えることであって、前記低温焼成可能外側材料はガーネット又は灰重石構造を有することと、
高誘電性内側材料を前記低温焼成可能外側材料における開口の中に入れることであって、前記高誘電性内側材料は30を上回る誘電率を有することと、
前記低温焼成可能外側材料及び前記高誘電性内側材料を一緒に650~900℃の温度において接着剤又はのりを使用することなく共焼成することと
を含む、方法。 - 前記高誘電性内側材料は35を上回る誘電率を有する、請求項10の方法。
- 無線周波数デバイスにおけるアイソレータ又はサーキュレータとして使用される複合材料を形成する方法であって、
低温焼成可能外側材料を与えることであって、前記低温焼成可能外側材料はガーネット又は灰重石構造を有することと、
高誘電性内側材料を前記低温焼成可能外側材料における開口の中に入れることであって、前記高誘電性内側材料は30を上回る誘電率を有することと、
接着剤又はのりを使用することなく前記低温焼成可能外側材料が前記高誘電性内側材料の外側表面まわりに収縮させるべく、前記低温焼成可能外側材料及び前記高誘電性内側材料を一緒に650~900℃の温度において共焼成することと、
前記低温焼成可能外側材料及び前記高誘電性内側材料を共焼成後にスライスすることと
を含む、方法。 - 前記低温焼成可能外側材料は組成Bi1-x/2 A x/2 V1-xMxO4を有し、
AはLi、Na、K、又はこれらの組み合わせであり、
MはMo、W、又はこれらの組み合わせであり、
xは0~1である、請求項12の方法。 - 前記低温焼成可能外側材料は組成C2BiD2V3O12を有し、
CはLi、Na、K、又はこれらの組み合わせであり、
DはMg、Zn、Co、Ni、Cu、又はこれらの組み合わせである、請求項12の方法。 - 前記低温焼成可能外側材料は化学式BaWO4を有するタングステン酸バリウムである、請求項12の方法。
- 前記低温焼成可能外側材料はNa2BiMg2V3O12である、請求項12の方法。
- 無線周波数アイソレータ又はサーキュレータを形成する方法であって、
リングの形状の低温焼成可能外側材料を与えることであって、前記低温焼成可能外側材料はガーネット又は灰重石構造を有することと、
円盤の形状の高誘電性内側材料を前記低温焼成可能外側材料の中に配置することであって、前記高誘電性内側材料は30を上回る誘電率を有することと、
前記低温焼成可能外側材料及び前記高誘電性内側材料を一緒に、650~900℃の温度において接着剤又はのりを使用することなく共焼成することと
を含む、方法。 - 前記低温焼成可能外側材料は組成Bi1-x/2 A x/2 V1-xMxO4を有し、
AはLi、Na、K、又はこれらの組み合わせであり、
MはMo、W、又はこれらの組み合わせであり、
xは0~1である、請求項17の方法。 - 前記低温焼成可能外側材料は組成C2BiD2V3O12を有し、
CはLi、Na、K、又はこれらの組み合わせであり、
DはMg、Zn、Co、Ni、Cu、又はこれらの組み合わせである、請求項17の方法。 - 前記低温焼成可能外側材料は化学式BaWO4を有するタングステン酸バリウムである、請求項17の方法。
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TWI791605B (zh) | 2023-02-11 |
JP2019048764A (ja) | 2019-03-28 |
EP3453682A1 (en) | 2019-03-13 |
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US20190081377A1 (en) | 2019-03-14 |
US20240030577A1 (en) | 2024-01-25 |
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