JP6195031B1 - 高周波増幅器 - Google Patents
高周波増幅器 Download PDFInfo
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- JP6195031B1 JP6195031B1 JP2017503024A JP2017503024A JP6195031B1 JP 6195031 B1 JP6195031 B1 JP 6195031B1 JP 2017503024 A JP2017503024 A JP 2017503024A JP 2017503024 A JP2017503024 A JP 2017503024A JP 6195031 B1 JP6195031 B1 JP 6195031B1
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- 239000003566 sealing material Substances 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000002955 isolation Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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Abstract
Description
図1及び図2は、本発明の実施の形態1に係る高周波増幅器の内部を透過した斜視図である。図3は図1のI−IIに沿った断面図である。
図14は、本発明の実施の形態2に係る高周波増幅器の内部を示す斜視図である。図15は、本発明の実施の形態2に係る高周波増幅器の内部を示す断面図である。封止材21等は図示を省略している。
図16,17は、本発明の実施の形態3に係る高周波増幅器の内部を示す斜視図である。図18は、本発明の実施の形態3に係る高周波増幅器の内部を示す断面図である。図17は複数のワイヤ20を省略している。封止材21等は図示を省略している。
図19は、本発明の実施の形態4に係る高周波増幅器の内部を示す斜視図である。図20は図19のI−IIに沿った断面図である。1つの半導体基板1の表面に、互いに離間した2つの第1及び第2のトランジスタ2a,2bが形成されている。この場合、第1及び第2のトランジスタ2a,2bの離間距離eが例えば40μm程度と近いと、第1及び第2のトランジスタ2a,2bからそれぞれ発生された電界が相互に干渉する。一般に相互に干渉することは特性に悪影響を与える場合が多く、これをアイソレートするほうが良い。
Claims (4)
- 半導体基板と、
前記半導体基板の表面に形成され、ゲート電極、ソース電極及びドレイン電極を有するトランジスタと、
前記ゲート電極、前記ソース電極及び前記ドレイン電極を挟むように前記半導体基板の前記表面上に形成された第1及び第2の配線と、
前記ゲート電極、前記ソース電極及び前記ドレイン電極の上方を通って前記第1及び第2の配線に接続された複数のワイヤと、
前記トランジスタ、前記第1及び第2の配線、及び前記複数のワイヤを封止する封止材とを備え、
前記封止材はフィラーを含有し、
前記複数のワイヤの互いの離間距離は前記フィラーの粒径より狭く、
前記複数のワイヤと前記トランジスタとの間に前記封止材が入り込んでいない空洞が形成されていることを特徴とする高周波増幅器。 - 前記複数のワイヤは、複数の第1ワイヤと、前記複数の第1ワイヤの上方に配置された複数の第2ワイヤとを有し、
前記半導体基板の前記表面に対して垂直方向から見た平面視において、前記複数の第2ワイヤは前記複数の第1ワイヤ間の隙間に配置されていることを特徴とする請求項1に記載の高周波増幅器。 - 前記第1及び第2の配線は前記ソース電極に接続されていることを特徴とする請求項1又は2に記載の高周波増幅器。
- 前記第1及び第2の配線は前記ソース電極から独立していることを特徴とする請求項1又は2に記載の高周波増幅器。
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