KR102600200B1 - 고효율 rf 회로들을 위한 임피던스 정합 도전성 구조 - Google Patents
고효율 rf 회로들을 위한 임피던스 정합 도전성 구조 Download PDFInfo
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Abstract
Description
도 1a 및 도 1b는 내장형 마이크로스트립 및 코팅형 마이크로스트립을 포함하는 마이크로스트립의 두 개의 변형예들을 도시하며, 양쪽 모두는 마이크로스트립 도체 위에 몇몇 유전체를 부가한다.
도 2a는 랩 및 연마된 광한정성 유리 기판, 예컨대, 300μm 두께 랩 및 연마된 광한정성 유리가 사용되는 방법의 시작의 측면도를 도시한다.
도 2b는 기판의 뒤에서 200Å 내지 10,000Å 두께 사이의 티타늄의 DC 스퍼터 균일 코팅의 측면도를 도시한다.
도 2c는 기판의 뒤에서 구리 접지 평면의 전기도금의 측면도를 도시한다. 구리 접지 평면은 기판의 뒤에서 0.5μm 내지 10μm 두께 사이에 있어야 한다.
도 2d는 노출된 광한정성 유리 기판에 삼각형 또는 사다리꼴 청정 영역을 가진 크롬 마스크를 사용하여 형성된 디바이스의 상면도를 도시한다. 노출은 대략 20J/cm2의 310nm 광을 이용한다. 길이 L은 100μm 내지 200μm이고; 폭 W2는 10μm이며; 폭 W1은 50μm이다. 다음으로, 60분 동안 노출된 광한정성 유리를 450℃로 가열한다.
도 2ei은 구리/금속 접지 평면 아래에서 10 % HF 용액에 에칭된 노출된 광한정성 유리의 상면도를 도시하며, 도 2eii는 도 2ei에서 도시된 동일한 디바이스의 측면도를 도시한다.
도 2fi은 APEX 유리와 상이한 유전율인 저 손실 탄젠트 재료로 채워진 에칭된 영역의 상면도를 도시하며, 도 2fii는 도 2fi에 도시된 동일한 디바이스의 측면도를 도시한다.
도 2g는 포토레지스트를 도포하고 패턴 현상액을 노출하며 마이크로파 스트립라인에 대해 노출된 패턴을 제거한 후 디바이스의 상면도를 도시한다.
도 2h는 기판/포토레지스트의 앞에서 200Å 내지 10,000 Å 두께 사이의 티타늄의 DC 스퍼터 코팅 후 상면도를 도시한다.
도 2i는 광한정성 유리 기판상에서 티타늄 패턴을 노출시키기 위해 용제를 사용하여 포토레지스트를 제거한 후 상면도이다.
도 2j는 패터닝된 티타늄에서 구리를 전기 도금한 후 상면도이다. 구리는 기판의 뒤에서 0.5μm 내지 10μm 두께 사이에 있어야 한다.
도 2k는 임피던스 정합 마이크로 스트립 라인이 여기에서 디바이스 1 및 디바이스 2로서 묘사된 다양한 디바이스들을 연결하기 위해 사용된 후 상면도이다.
도 3a는 본 발명의 송신 라인들의 단면도를 도시한다.
도 3b는 표준 유리와 비교할 때, 본 발명의 저 손실 마이크로-송신 라인의 손실들의 비교를 도시한 그래프이다.
16: 크롬 마스크 18: 구리/금속 접지 평면
20: 포토레지스트 22: 티타늄
24: 티타늄 패턴 26: 접촉부
30: 접지 32: 도체
34: 광한정성 유리 기판 36: 접지
38: 공극
Claims (38)
- 단일 기판상의 두 RF 디바이스들 사이의 RF 임피던스 정합 디바이스를 만드는 방법에 있어서,
단일 감광성 유리 기판을 제공하는 단계로서, 제 1 RF 디바이스 및 제 2 RF 디바이스가 상기 단일 감광성 유리 기판내에 또는 상기 단일 감광성 유리 기판상에 형성되는, 상기 단일 감광성 유리 기판을 제공하는 단계;
상기 감광성 유리 기판상에 상기 감광성 유리 기판내의 하나 이상의 삼각형 또는 사다리꼴의 비아들(vias)을 형성하기 위해 하나 이상의 구조들을 포함한 설계 레이아웃을 마스킹하는 단계;
상기 감광성 유리 기판의 적어도 일부분을 활성화한 에너지 소스에 노출시키는 단계;
상기 감광성 유리 기판을 그 유리 전이 온도를 넘어 적어도 10분 동안 가열하는 단계;
유리-결정성 기판을 형성하도록 노출된 유리의 적어도 일부를 결정질 재료로 변형시키기 위해 상기 감광성 유리 기판을 냉각시키는 단계;
상기 하나 이상의 삼각형 또는 사다리꼴의 비아들을 형성하기 위해 에천트(etchant) 용액으로 상기 유리-결정성 기판을 에칭하는 단계;
상기 감광성 유리 기판의 유전율과 상이한 유전율을 갖는 비도전성 미디어로 상기 하나 이상의 삼각형 또는 사다리꼴의 비아들을 채우는 단계; 및
상기 하나 이상의 삼각형 또는 사다리꼴의 비아들을 가로질러 하나 이상의 도전성 구조체들을 형성하는 단계로서, 상기 하나 이상의 도전성 구조체들은 상기 제 1 RF 디바이스 및 상기 제 2 RF 디바이스와 연결되는 구조인, 상기 하나 이상의 도전성 구조체들을 형성하는 단계를 포함하는, RF 임피던스 정합 디바이스를 만드는 방법. - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 유리 결정성 기판을 에칭하는 단계는, 상기 감광성 유리 기판과 상기 하나 이상의 도전성 구조체들 사이에 공극을 형성하고,
(1) 상기 하나 이상의 도전성 구조체들과 상기 감광성 유리 기판 사이의 측방향 거리는 10μm보다 크거나,
(2) 상기 하나 이상의 도전성 구조체들의 일부분과 접하여 기계적으로 지지하는 감광성 유리 기판의 일부분의 두께는 10μm보다 크고,
(3) 상기 감광성 유리 기판의 일부분과 접하여 기계적으로 지지되는 하나 이상의 도전성 구조체들의 일부분의 길이 또는 폭은 상기 하나 이상의 도전성 구조체들의 길이 또는 폭의 50%보다 작은, RF 임피던스 정합 디바이스를 만드는 방법. - 삭제
- 제 1 항에 있어서,
상기 하나 이상의 도전성 구조체들은, 마이크로스트립, 스트립라인, 공면 도파관, 접지형 공면 도파관, 또는 동축 도파관 중 적어도 하나를 포함하는, RF 임피던스 정합 디바이스를 만드는 방법. - 삭제
- 제 1 항에 있어서,
상기 하나 이상의 도전성 구조체들은, 표면 접촉부, 매립형 접촉부, 블라인드 비아, 유리 비아, 직선 접촉부, 직사각형 접촉부, 다각형 접촉부, 또는 원형 접촉부를 통해 상기 제 1 RF 디바이스 및 상기 제 2 RF 디바이스에 연결되는, RF 임피던스 정합 디바이스를 만드는 방법. - 제 1 항에 있어서,
상기 감광성 유리 기판은, 60 내지 76 중량 % 실리카; 적어도 3 중량 % K2O - K2O와 Na2O의 조합을 6 내지 16 중량 % 가짐 -; Ag2O 및 Au2O로 이루어진 그룹으로부터 선택된 0.003 내지 1 중량 %의 적어도 하나의 산화물; 0.003 내지 2 중량 % Cu2O; 0.75 내지 7 중량 % B2O3 및 6 내지 7 중량 % Al2O3 - B2O3와 Al2O3의 조합은 13 중량 %를 초과하지 않음 -; 8 내지 15 중량 % Li2O; 및 0.001 내지 0.1 중량 % CeO2의 조성을 포함하는, RF 임피던스 정합 디바이스를 만드는 방법. - 제 1 항에 있어서,
상기 감광성 유리 기판은, 35 내지 76 중량 % 실리카, 3 내지 16 중량 % K2O, 0.003 내지 1 중량 % Ag2O, 0.75 내지 13 중량 % B2O3, 8 내지 15 중량 % Li2O, 및 0.001 내지 0.1 중량 % CeO2의 조성을 포함하는, RF 임피던스 정합 디바이스를 만드는 방법. - 제 1 항에 있어서,
상기 감광성 유리 기판은, 광-한정성 유리 기판은 적어도 0.3 중량 % Sb2O3 또는 As2O3를 포함하고; 광-한정성 유리 기판은 0.003 내지 1 중량 % Au2O를 포함하고; 광-한정성 유리 기판은 CaO, ZnO, PbO, MgO 및 BaO로 이루어진 그룹으로부터 선택된 1 내지 18 중량 %의 산화물을 포함하며; 선택적으로 10-20:1; 21-29:1; 30-45:1; 20-40:1; 41-45:1; 및 30-50:1 중 적어도 하나인 노출 부분 대 비노출 부분의 이방성-에칭 비를 갖는 것 중 적어도 하나의 조성을 포함하는, RF 임피던스 정합 디바이스를 만드는 방법. - 삭제
- 제 1 항에 있어서,
상기 RF 임피던스 정합 디바이스는 50, 40, 30, 25, 20, 15, 또는 10 % 미만의 신호 입력 대 신호 출력의 손실을 갖는, RF 임피던스 정합 디바이스를 만드는 방법. - 제 1 항에 있어서,
MHz 내지 THz의 주파수들에서, 시간 지연 네트워크, 방향성 커플러 바이어싱 티, 고정형 커플러, 위상 어레이 안테나, 필터들 및 듀플렉서, 발룬, 전력 조합기들/분배기들, 또는 전력 증폭기들 중 적어도 하나의 특징으로 상기 RF 임피던스 정합 디바이스를 형성하는 단계를 더 포함하는, RF 임피던스 정합 디바이스를 만드는 방법. - 삭제
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- 단일 기판상의 두 RF 디바이스들 사이의 RF 임피던스 정합 디바이스에 있어서,
단일 감광성 유리 기판으로서, 제 1 RF 디바이스 및 제 2 RF 디바이스가 상기 단일 감광성 유리 기판내에 또는 상기 단일 감광성 유리 기판상에 형성되는, 상기 단일 감광성 유리 기판;
상기 감광성 유리 기판내의 하나 이상의 삼각형 또는 사다리꼴의 비아들;
상기 하나 이상의 삼각형 또는 사다리꼴의 비아들의 각각을 채우는 비도전성 미디어로서, 상기 비도전성 미디어는 상기 감광성 유리 기판의 유전율과 상이한 유전율을 갖는, 비도전성 미디어; 및
상기 감광성 유리 기판상의 하나 이상의 도전성 구조체들로서, 상기 하나 이상의 도전성 구조체들은 상기 하나 이상의 삼각형 또는 사다리꼴의 비아들을 가로지르고, 상기 하나 이상의 도전성 구조체들은 상기 제 1 RF 디바이스 및 상기 제 2 RF 디바이스와 연결되도록 구성된, 상기 하나 이상의 도전성 구조체들을 포함하는, RF 임피던스 정합 디바이스.
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| PCT/US2018/068184 WO2019136024A1 (en) | 2018-01-04 | 2018-12-31 | Impedance matching conductive structure for high efficiency rf circuits |
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| AU2021222073A1 (en) | 2021-09-23 |
| JP7226832B2 (ja) | 2023-02-21 |
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| WO2019136024A1 (en) | 2019-07-11 |
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| AU2018399638B2 (en) | 2021-09-02 |
| CA3082624C (en) | 2022-12-06 |
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