JP6408540B2 - 無線モジュール及び無線モジュールの製造方法 - Google Patents
無線モジュール及び無線モジュールの製造方法 Download PDFInfo
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- H01L2223/66—High-frequency adaptations
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
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- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
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Description
図1〜図3に、本実施形態に係る無線モジュール1000を示す。図1及び図2は、無線モジュール1000の外観斜視図であり、図3は、無線モジュール1000の断面図である。
つぎに、図4A〜図4Eを参照しながら、本実施形態に係る無線モジュール1000の製造方法を説明する。
100A アンテナ接続部
200 電子回路
300 樹脂層
310 溝
320 溝
330 溝
400 シールド層
500 基板
501 第1回路領域(第1領域)
502 第2回路領域
503 第1アンテナ領域
504 第2アンテナ領域(第2領域)
510 グランド層
800 大判基板
801 配置領域
1000 本実施形態に係る無線モジュール
2000 本実施形態とは異なる無線モジュール
C 切断位置
Claims (9)
- 一方の面および他方の面を有し、第1領域と前記第1領域と隣接した領域に位置する第2領域を有する基板と、
前記基板の前記一方の面の第1領域に装着される電子回路と、
前記基板の前記他方の面のうち、前記第2領域に形成されたアンテナとして機能する導電パターンと、
前記第1領域内において前記電子回路を封止する樹脂層と、
前記樹脂層の表面に形成される、導電性を有するシールド層と、
を備え、
前記基板は、前記第2領域における板厚が、前記第1領域における板厚よりも薄く形成されてなる
ことを特徴とする無線モジュール。 - 請求項1に記載の無線モジュールであって、
前記シールド層が、前記樹脂層の表面全体に形成されてなる
ことを特徴とする無線モジュール。 - 請求項1又は2に記載の無線モジュールであって、
前記基板は、前記一方の面において、前記第1領域と前記第2領域との境界部分に段差を有し、前記他方の面には段差を有しないように形成されてなる
ことを特徴とする無線モジュール。 - 請求項1〜3のいずれかに記載の無線モジュールであって、
前記基板は、導電性を有するグランド層が内部に形成された多層基板であり、
前記シールド層が前記グランド層に導通してなる
ことを特徴とする無線モジュール。 - 請求項1〜4のいずれかに記載の無線モジュールであって、
前記他方の面の第2領域に位置する二つの角部には、規制用の端子が設けられることを特徴とする無線モジュール。 - 無線モジュールの製造方法であって、
基板の一方の面の第1領域に電子回路が設けられ、アンテナとして機能する導電パターンが、前記基板の他方の面のうち、前記第1領域と隣接する第2領域に形成された基板を用意する工程と、
前記基板の一方の面の前記第1領域および第2領域を樹脂層で覆う樹脂層形成工程と、
前記樹脂層の表面に導電性を有するシールド層を形成するシールド層形成工程と、
前記基板の前記一方の面における前記第2領域を露出させるように、前記樹脂層を除去する除去工程と、
を有することを特徴とする無線モジュールの製造方法。 - 請求項6に記載の無線モジュールの製造方法であって、
前記樹脂層を前記一方の面の全体に形成した後に、前記第1領域と前記第2領域との境界に沿って、前記樹脂層に、前記基板の前記一方の面に到達する深さの溝を形成する溝形成工程と、をさらに有することで
前記シールド層形成工程において、前記溝の内側にも前記シールド層の壁が形成され、
前記第1領域に残存する前記樹脂層の表面全体が前記シールド層によって覆われる
ことを特徴とする無線モジュールの製造方法。 - 請求項6又は7に記載の無線モジュールの製造方法であって、
前記除去工程において、前記第2領域の樹脂を除去する際に、前記基板の表層部分も除去することにより、前記基板の前記第2領域における板厚を、前記第1領域における板厚よりも薄く形成する
ことを特徴とする無線モジュールの製造方法。 - 請求項6〜8のいずれかに記載の無線モジュールの製造方法であって、
前記基板は、導電性を有するグランド層が内部に形成された多層基板であり、
前記シールド層形成工程において、前記シールド層を前記グランド層に導通させるように形成する
ことを特徴とする無線モジュールの製造方法。
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