JP2023520028A - ソース、ゲート及び/又はドレイン導電性ビアを有するiii族窒化物ベースの高周波トランジスタ増幅器 - Google Patents
ソース、ゲート及び/又はドレイン導電性ビアを有するiii族窒化物ベースの高周波トランジスタ増幅器 Download PDFInfo
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- JP2023520028A JP2023520028A JP2022559835A JP2022559835A JP2023520028A JP 2023520028 A JP2023520028 A JP 2023520028A JP 2022559835 A JP2022559835 A JP 2022559835A JP 2022559835 A JP2022559835 A JP 2022559835A JP 2023520028 A JP2023520028 A JP 2023520028A
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- conductive
- transistor amplifier
- drain
- iii
- nitride based
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Abstract
Description
Claims (74)
- 少なくとも第1及び第2の導電性構造を上面に有する相互接続構造と、
前記相互接続構造の前記上面に取り付けられたIII族窒化物ベースのRFトランジスタ増幅器ダイであって、半導体層構造、前記III族窒化物ベースのRFトランジスタ増幅器ダイのソース領域に接続され、前記半導体層構造を貫いて延在する少なくとも1つの導電性ソース・ビア、及び前記半導体層構造を貫いて延在する追加の導電性ビアを含む、III族窒化物ベースのRFトランジスタ増幅器ダイと、
を備え、
前記追加の導電性ビアの下端が、前記相互接続構造と前記III族窒化物ベースのRFトランジスタ増幅器ダイとの間に介在するコンタクトを介して前記第1の導電性構造に接続され、
前記追加の導電性ビアが導電性ゲート・ビア及び導電性ドレイン・ビアのうちの少なくとも1つである、
高周波(「RF」)トランジスタ増幅器。 - 前記第1の端部の反対側にある前記追加の導電性ビアの第2の端部が第1の外部回路に接続されている、請求項1に記載のRFトランジスタ増幅器。
- 前記追加の導電性ビアの前記第2の端部がボンド・ワイヤによって第1の外部回路に接続されている、請求項2に記載のRFトランジスタ増幅器。
- 前記追加の導電性ビアが導電性ゲート・ビアである、請求項1から3までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記追加の導電性ビアが導電性ドレイン・ビアである、請求項1から3までのいずれか一項に記載のRFトランジスタ増幅器。
- 第2の追加の導電性ビアをさらに備え、前記第2の追加の導電性ビアが導電性ゲート・ビアである、請求項5に記載のRFトランジスタ増幅器。
- 前記相互接続構造上に取り付けられ、前記相互接続構造を介して前記追加の導電性ビアに電気的に接続されたコンデンサを含む受動RF構成要素をさらに備える、請求項1から6までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイが複数の平行なソース・フィンガを含み、少なくとも2つの導電性ソース・ビアが前記導電性ソース・フィンガのそれぞれの下に配置されている、請求項1から7までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記導電性ソース・フィンガのうちの第1の導電性ソース・フィンガの下に配置された前記少なくとも2つの導電性ソース・ビアが第1の軸を規定し、前記導電性ソース・ビアのうちの前記第1の導電性ソース・ビアに隣接する、前記導電性ソース・フィンガのうちの第2の導電性ソース・フィンガの下に配置された前記少なくとも2つの導電性ソース・ビアが第2の軸を規定し、前記追加の導電性ゲート・ビアが、前記III族窒化物ベースのRFトランジスタ増幅器ダイを上から見たときに、前記第1の軸と前記第2の軸との間に配置されている、請求項8に記載のRFトランジスタ増幅器。
- 前記半導体層構造が、成長基板と、チャネル層と、バリア層とを備え、前記チャネル層が前記成長基板と前記バリア層との間にあり、前記導電性ゲート・ビア及び前記導電性ドレイン・ビアが前記成長基板、前記チャネル層、及び前記バリア層の3つすべてを貫いて延在する金属めっきビアである、請求項6に記載のRFトランジスタ増幅器。
- 前記導電性ゲート・ビア、前記導電性ドレイン・ビア、及び前記導電性ソース・ビアがすべて、実質的に同じ形状及び実質的に同じ断面積を有する、請求項6に記載のRFトランジスタ増幅器。
- 前記導電性ゲート・ビア及び前記導電性ドレイン・ビアのうちの少なくとも1つが、前記導電性ソース・ビアのうちの少なくとも1つとは異なる形状を有する、請求項6に記載のRFトランジスタ増幅器。
- 前記導電性ゲート・ビア及び前記導電性ドレイン・ビアのうちの少なくとも1つが、前記導電性ソース・ビアのうちの少なくとも1つとは異なる断面積を有する、請求項6に記載のRFトランジスタ増幅器。
- 半導体層構造及び前記半導体層構造を貫いて延在する導電性ビアを含むIII族窒化物ベースのRFトランジスタ増幅器ダイと、
前記導電性ビアの第1の端部と第1の外部電気的接続との間に結合された第1のインピーダンス整合回路と、
前記導電性ビアの第2の端部と第2の外部電気的接続との間に結合された第1の高調波終端回路と、
を備え、
前記導電性ビアの前記第2の端部が前記第1の端部の反対側にある、
高周波(「RF」)トランジスタ増幅器。 - 前記導電性ビアが前記III族窒化物ベースのRFトランジスタ増幅器ダイのゲート電極に接続された導電性ゲート・ビアであり、前記導電性ゲート・ビアの前記第1の端部が前記ゲート電極に隣接する上端部であり、前記導電性ゲート・ビアの前記第2の端部が底端部である、請求項14に記載のRFトランジスタ増幅器。
- 前記導電性ビアが前記III族窒化物ベースのRFトランジスタ増幅器ダイのドレイン電極に接続された導電性ドレイン・ビアであり、前記導電性ドレイン・ビアの前記第1の端部が底端部であり、前記導電性ドレイン・ビアの前記第2の端部が前記ドレイン電極に隣接する上端部である、請求項14に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイのドレイン電極に接続された導電性ドレイン・ビアをさらに備える、請求項15に記載のRFトランジスタ増幅器。
- 前記導電性ドレイン・ビアの第1の端部と第3の外部電気的接続との間に結合された第2のインピーダンス整合回路をさらに備える、請求項17に記載のRFトランジスタ増幅器。
- 前記導電性ドレイン・ビアの前記第1の端部が上端部である、請求項18に記載のRFトランジスタ増幅器。
- 前記導電性ドレイン・ビアの前記第1の端部が底端部である、請求項18に記載のRFトランジスタ増幅器。
- 再配線層(「RDL」)積層基板をさらに備え、前記III族窒化物ベースのRFトランジスタ増幅器ダイが前記RDL積層基板の上面に取り付けられている、請求項14から20までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記導電性ビアの前記第1の端部が上端部であり、前記導電性ビアの前記第2の端部が第1のコンタクトを介して前記RDL積層基板上の第1の導電性パッドに電気的に接続されている底端部である、請求項21に記載のRFトランジスタ増幅器。
- 前記第1の高調波終端回路が、前記導電性ビアの前記底端部と電気的接地との間に結合されたコンデンサを備える、請求項14から22までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記コンデンサが、前記RDL積層基板上に取り付けられ、前記RDL積層基板を貫く前記導電性ビアに電気的に接続された受動RF構成要素の一部である、請求項23に記載のRFトランジスタ増幅器。
- 前記半導体層構造が、成長基板と、チャネル層と、バリア層とを備え、前記チャネル層が前記成長基板と前記バリア層との間にあり、前記導電性ゲート・ビア及び前記導電性ドレイン・ビアが前記成長基板、前記チャネル層、及び前記バリア層の3つすべてを貫いて延在する金属めっきビアである、請求項17から24までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記導電性ゲート・ビア、前記導電性ドレイン・ビア、及び前記導電性ソース・ビアがすべて、実質的に同じ形状及び実質的に同じ断面積を有する、請求項17から25までのいずれか一項に記載のRFトランジスタ増幅器。
- 相互接続構造と、
前記相互接続構造の頂面上のIII族窒化物ベースのRFトランジスタ増幅器ダイであって、上部に複数の単位セル・トランジスタを有する半導体層構造と、それぞれが前記半導体層構造を貫いて延在する導電性ソース・ビア、導電性ゲート・ビア、及び導電性ドレイン・ビアと、を含む前記III族窒化物ベースのRFトランジスタ増幅器ダイと、
前記相互接続構造の底面上の複数の導電性コンタクトと、
を備える、高周波(「RF」)トランジスタ増幅器。 - 前記相互接続構造がファンイン構成で配置されている、請求項27に記載のRFトランジスタ増幅器。
- 前記相互接続構造がファンアウト構成で配置されている、請求項27に記載のRFトランジスタ増幅器。
- 前記相互接続構造が、前記導電性ゲート・ビアに電気的に接続された上部ゲート・パッドと、前記導電性ドレイン・ビアに電気的に接続された上部ドレイン・パッドと、前記導電性ソース・ビアに電気的に接続された上部ソース・パッドと、を含む再配線層(「RDL」)積層基板を備える、請求項27から29までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記RDL積層基板が、前記上部ゲート・パッドに電気的に接続された下部ゲート・パッドと、前記上部ドレイン・パッドに電気的に接続された下部ドレイン・パッドと、前記上部ソース・パッドに電気的に接続された下部ソース・パッドと、をさらに含み、前記コンタクトが、前記下部ゲート・パッド上に取り付けられたゲート・コンタクトと、前記下部ドレイン・パッド上に取り付けられたドレイン・コンタクトと、前記下部ソース・パッド上に取り付けられたソース・コンタクトと、を含む、請求項30に記載のRFトランジスタ増幅器。
- 前記RF増幅器を上から見たときに、前記ゲート・コンタクトのうちの少なくとも1つが、前記III族窒化物ベースのRFトランジスタ増幅器ダイのフットプリントの外側に位置する、請求項31に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイが複数の平行なソース・フィンガを含み、前記導電性ソース・ビアが複数のソース・ビアのうちの1つであり、少なくとも2つの導電性ソース・ビアが前記導電性ソース・フィンガのそれぞれの下に配置されている、請求項27から32までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記導電性ソース・フィンガのうちの第1の導電性ソース・フィンガの下に配置された前記少なくとも2つの導電性ソース・ビアが第1の軸を規定し、前記導電性ソース・ビアのうちの前記第1の導電性ソース・ビアに隣接する、前記導電性ソース・フィンガのうちの第2の導電性ソース・フィンガの下に配置された前記少なくとも2つの導電性ソース・ビアが第2の軸を規定し、前記導電性ゲート・ビアが前記III族窒化物ベースのRFトランジスタ増幅器ダイを上から見たときに、前記第1の軸と前記第2の軸との間に配置されている、請求項33に記載のRFトランジスタ増幅器。
- 前記半導体層構造が、成長基板と、チャネル層と、バリア層とを備え、前記チャネル層が前記成長基板と前記バリア層との間にあり、前記導電性ゲート・ビア及び前記導電性ドレイン・ビアが前記成長基板、前記チャネル層、及び前記バリア層の3つすべてを貫いて延在する金属めっきビアである、請求項27から34までのいずれか一項に記載のRFトランジスタ増幅器。
- 半導体層構造を含むIII族窒化物ベースのRFトランジスタ増幅器ダイと、前記III族窒化物ベースのRFトランジスタ増幅器ダイのソース領域に接続された導電性ソース・ビアであって、前記半導体層構造を貫いて延在する、導電性ソース・ビアと、前記半導体層構造を貫いて延在する追加の導電性ビアと、を備え、
前記追加の導電性ビアの第1の端部が第1の外部回路に接続され、前記第1の端部の反対側の前記追加の導電性ビアの第2の端部が第1の整合回路に接続されている、
高周波(「RF」)トランジスタ増幅器。 - 前記追加の導電性ビアが前記III族窒化物ベースのRFトランジスタ増幅器ダイのゲート電極に接続された導電性ゲート・ビアであり、前記第1の整合回路が第1の入力整合回路である、請求項36に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイが前記III族窒化物ベースのRFトランジスタ増幅器ダイのドレイン・フィンガに接続された導電性ドレイン・ビアをさらに備え、前記導電性ドレイン・ビアの第1の端部が第2の外部回路に接続され、前記導電性ドレイン・ビアの前記第1の端部の反対側の前記導電性ドレイン・ビアの第2の端部が第1の出力整合回路に接続されている、請求項37に記載のRFトランジスタ増幅器。
- 前記追加の導電性ビアが前記III族窒化物ベースのRFトランジスタ増幅器ダイのドレイン・フィンガに接続された導電性ドレイン・ビアであり、前記第1の整合回路が第1の出力整合回路である、請求項36に記載のRFトランジスタ増幅器。
- 相互接続構造をさらに備え、前記III族窒化物ベースのRFトランジスタ増幅器ダイが前記相互接続構造の上面に取り付けられている、請求項37から39までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記導電性ゲート・ビアの前記第1の端部が上端部であり、前記導電性ゲート・ビアの前記第2の端部が第1のコンタクトを介して前記相互接続構造上の第1の導電性パッドに電気的に接続された底端部である、請求項40に記載のRFトランジスタ増幅器。
- 前記第1の入力整合回路が前記導電性ゲート・ビアの前記底端部と電気的接地との間に結合されたコンデンサを備える、請求項41に記載のRFトランジスタ増幅器。
- 前記第1の入力整合回路が高調波終端回路を備え、前記RFトランジスタ増幅器が前記導電性ゲート・ビアの前記上端部に接続する基本波整合回路を備える第2の入力インピーダンス整合回路をさらに備える、請求項37から41までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記追加の導電性ビアの前記第1の端部が、第1のコンタクトを介して前記相互接続構造上の第1の導電性パッドに電気的に接続された底端部であり、前記追加の導電性ビアの前記第2の端部が上端部である、請求項40に記載のRFトランジスタ増幅器。
- 前記第1の入力整合回路が前記追加の導電性ビアの前記上端部と電気的接地との間に結合されたコンデンサを備える、請求項44に記載のRFトランジスタ増幅器。
- 前記第1の入力整合回路が高調波終端回路を備える、請求項37から44までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記導電性ドレイン・ビアの前記第1の端部が上端部であり、前記導電性ドレイン・ビアの前記第2の端部が第2のコンタクトを介して前記相互接続構造上の第2の導電性パッドに電気的に接続された底端部である、請求項40に記載のRFトランジスタ増幅器。
- 前記第1の出力整合回路が前記導電性ドレイン・ビアの前記底端部と電気的接地との間に結合されたコンデンサを備える、請求項47に記載のRFトランジスタ増幅器。
- 前記第1の出力整合回路が基本波インピーダンス整合回路を備え、前記RFトランジスタ増幅器が前記導電性ドレイン・ビアの前記上端部に接続する高調波終端整合回路を備える第2の出力整合回路をさらに備える、請求項47に記載のRFトランジスタ増幅器。
- 前記導電性ドレイン・ビアの前記第1の端部が第1のコンタクトを介して前記相互接続構造上の第1の導電性パッドに電気的に接続された底端部であり、前記導電性ドレイン・ビアの前記第2の端部が上端部である、請求項40に記載のRFトランジスタ増幅器。
- 前記第1の出力整合回路が前記導電性ドレイン・ビアの前記上端部と電気的接地との間に結合されたコンデンサを備える、請求項50に記載のRFトランジスタ増幅器。
- 前記第1の入力整合回路が基本波インピーダンス整合回路を備える、請求項36から51までのいずれか一項に記載のRFトランジスタ増幅器。
- 相互接続構造であって、前記III族窒化物ベースのRFトランジスタ増幅器ダイが前記相互接続構造の上面に取り付けられている、相互接続構造と、前記相互接続構造上に取り付けられ、前記相互接続構造を介して前記追加の導電性ビアに電気的に接続されたコンデンサを含む受動RF構成要素と、をさらに備える、請求項36から39までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイが複数の平行なソース・フィンガを含み、少なくとも2つの導電性ソース・ビアが前記導電性ソース・フィンガのそれぞれの下に配置されている、請求項36から53までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記導電性ソース・フィンガのうちの第1の導電性ソース・フィンガの下に配置された前記少なくとも2つの導電性ソース・ビアが第1の軸を規定し、前記導電性ソース・ビアのうちの前記第1の導電性ソース・ビアに隣接する、前記導電性ソース・フィンガのうちの第2の導電性ソース・フィンガの下に配置された前記少なくとも2つの導電性ソース・ビアが第2の軸を規定し、前記III族窒化物ベースのRFトランジスタ増幅器ダイを上から見たときに、前記追加の導電性ビアが前記第1の軸と前記第2の軸との間に配置されている、請求項54に記載のRFトランジスタ増幅器。
- 前記半導体層構造が、成長基板と、チャネル層と、バリア層とを備え、前記チャネル層が前記成長基板と前記バリア層との間にあり、前記導電性ゲート・ビア及び前記導電性ドレイン・ビアが前記成長基板、前記チャネル層、及び前記バリア層の3つすべてを貫いて延在する金属めっきビアである、請求項38から55までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記導電性ゲート・ビア、前記導電性ドレイン・ビア、及び前記導電性ソース・ビアがすべて、実質的に同じ形状及び実質的に同じ断面積を有する、請求項38から56までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記追加の導電性ビアが前記第1の整合回路の一部を含む、請求項36から57までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイの少なくとも頂面にプラスチック保護材料が設けられている、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイの少なくとも頂面にプラスチック保護材料が設けられている、請求項27から35までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイが、2.5GHzを上回る周波数を有するRF信号で動作するように構成されている、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記III族窒化物ベースのRFトランジスタ増幅器ダイが、2.5GHzを上回る周波数を有するRF信号で動作するように構成されている、請求項27から35までのいずれか一項に記載のRFトランジスタ増幅器。
- プラスチック・コーティングが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面を覆う、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- プラスチック・オーバモールドが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面及び側壁を覆う、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記相互接続構造がファンアウト・トポロジを有し、プラスチック・コーティングが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面を覆う、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記相互接続構造がファンイン・トポロジを有し、プラスチック・オーバモールドが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面及び側壁を覆う、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記相互接続構造がファンアウト・トポロジを有するRDL積層構造を備え、プラスチック・コーティングが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面を覆う、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記相互接続構造がファンイン・トポロジを有するRDL積層構造を備え、プラスチック・オーバモールドが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面及び側壁を覆う、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記相互接続構造がファンアウト・トポロジを有するインタポーザを備え、プラスチック・コーティングが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面を覆う、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- 前記相互接続構造がファンイン・トポロジを有するインタポーザを備え、プラスチック・オーバモールドが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面及び側壁を覆う、請求項1から13までのいずれか一項に記載のRFトランジスタ増幅器。
- プラスチック・コーティングが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面を覆う、請求項28に記載のRFトランジスタ増幅器。
- 前記相互接続構造がRDL積層基板又はインタポーザを備える、請求項71に記載のRFトランジスタ増幅器。
- プラスチック・コーティングが前記III族窒化物ベースのRFトランジスタ増幅器ダイの上面及び側壁をオーバモールドする、請求項29に記載のRFトランジスタ増幅器。
- 前記相互接続構造がRDL積層基板又はインタポーザを備える、請求項73に記載のRFトランジスタ増幅器。
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US202063004985P | 2020-04-03 | 2020-04-03 | |
US63/004,985 | 2020-04-03 | ||
PCT/US2021/024623 WO2021202358A1 (en) | 2020-04-03 | 2021-03-29 | Group iii nitride-based radio frequency transistor amplifiers having source, gate and/or drain conductive vias |
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WO2021202358A1 (en) | 2021-10-07 |
KR20220158261A (ko) | 2022-11-30 |
US11863130B2 (en) | 2024-01-02 |
US20210313935A1 (en) | 2021-10-07 |
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