JP7210271B2 - ガスセンサーパッケージ及びこれを含むセンシング装置 - Google Patents
ガスセンサーパッケージ及びこれを含むセンシング装置 Download PDFInfo
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- JP7210271B2 JP7210271B2 JP2018244486A JP2018244486A JP7210271B2 JP 7210271 B2 JP7210271 B2 JP 7210271B2 JP 2018244486 A JP2018244486 A JP 2018244486A JP 2018244486 A JP2018244486 A JP 2018244486A JP 7210271 B2 JP7210271 B2 JP 7210271B2
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- 230000001681 protective effect Effects 0.000 claims description 68
- 229910000679 solder Inorganic materials 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 8
- 229920001600 hydrophobic polymer Polymers 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 78
- 239000010410 layer Substances 0.000 description 56
- 239000002313 adhesive film Substances 0.000 description 13
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- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
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- 239000003822 epoxy resin Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
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- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
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- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
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- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
- G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
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- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/128—Microapparatus
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- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/129—Diode type sensors, e.g. gas sensitive Schottky diodes
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- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49805—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers the leads being also applied on the sidewalls or the bottom of the substrate, e.g. leadless packages for surface mounting
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- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
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- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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Description
外部連結パッド130S、130Gは信号パッド130S及び接地パッド130Gを含む。信号パッド130S及び接地パッド130Gはパッケージ基板100の第1面100a上に配置される。信号パッド130S及び接地パッド130Gは信号構造体120S及び接地構造体120Gと各々電気的に連結される。接地パッド130Gは信号パッド130Sと電気的に連結されないとし得る。接地パッド130Gの数は信号パッド130Sの数より少ない。信号ソルダ(図示せず)が信号パッド130S上にさらに提供され、接地ソルダ(図示せず)が接地パッド130G上にさらに提供される。
他の例として、第1上部ベース層113は複数の層を含むか、或いは第2上部ベース層114は複数の層を含むことができる。その他の例として、第1下部ベース層111及び第2下部ベース層112のうち少なくとも1つは省略されることができる。その他の例として、固定プレート300は接地されなくともよい。その他の例として、保護フィルム400は固定プレート300の上面300a上に配置されることができる。
100 パッケージ基板
110 ベース層
120 導電構造体
121 導電パターン
123 導電ビア
130 外部連結パッド
140 ボンディングパッド
150 保護層
190 ホール
195 キャビティ
200 センシング素子
210 制御素子
220 センシング素子
225 センシング部
240 チップパッド
300 固定プレート
390 ベントホール
400 保護フィルム
510 接着フィルム
520 接着部
Claims (18)
- ガスセンサーパッケージであって、
ホールを有するパッケージ基板であり、前記ホールは、当該パッケージ基板の第1面から、該第1面とは反対側の当該パッケージ基板の第2面に向かって延在し、前記ホールは、前記第1面に開口を形成し且つ前記第1面と前記第2面との間の位置に閉じた底面を持つ、パッケージ基板と、
前記パッケージ基板の前記ホール内に配置された第1のガスセンサーと、
前記パッケージ基板の第1面上に配置された固定プレートであり、当該固定プレートは、当該固定プレートの頂面と当該固定プレートの底面との間を延在するベントホールを有し、当該固定プレートの前記底面は前記パッケージ基板に面し、当該固定プレートの前記頂面は前記パッケージ基板に面さず、当該固定プレートは、平面視で前記ホールと重なる、固定プレートと、
前記固定プレート上に付着された保護フィルムと、
前記パッケージ基板の前記第1面上に配置された、当該ガスセンサーパッケージの外部への接続のための接地パッドと、を含み、
前記保護フィルムは、平面視で前記ベントホールと重なり、
前記固定プレートの前記底面は、前記第1のガスセンサーの頂面に面し、且つ前記第1のガスセンサーの前記頂面から離間され、
前記パッケージ基板の前記第1面は、前記第1のガスセンサーの前記頂面よりも高い高さに置かれ、
前記パッケージ基板は、
前記第1のガスセンサーと電気的に連結された信号構造体であり、互いに電気的に連結された第1の導電パターン及び第1の導電ビアを含む信号構造体と、
前記固定プレートと電気的に連結された接地構造体であり、当該接地構造体は、互いに電気的に連結された第2の導電パターン及び第2の導電ビアを含み、当該接地構造体は、前記信号構造体と絶縁されている、接地構造体と、を含み、
前記接地パッドは、前記接地構造体を通じて前記固定プレートと電気的に連結される、
ガスセンサーパッケージ。 - 前記固定プレートの前記ベントホールは、平面視で前記パッケージ基板の前記ホールと重なる、請求項1に記載のガスセンサーパッケージ。
- 前記第1の導電パターンは、前記第1の導電ビアの幅よりも小さい幅を有し、
前記第2の導電パターンは、前記第2の導電ビアの幅よりも小さい幅を有する、請求項1に記載のガスセンサーパッケージ。 - 前記パッケージ基板の前記第1面及び前記固定プレートの間に介在された導電性接着部をさらに含み、
前記接地構造体は、前記パッケージ基板の前記第1面上に露出された部分を有し、
前記導電性接着部は、前記接地構造体の前記露出された部分と前記固定プレートとの間を延在する、請求項3に記載のガスセンサーパッケージ。 - 前記第1のガスセンサーは、前記接地構造体と電気的に連結される、請求項3に記載のガスセンサーパッケージ。
- 前記保護フィルムは、疎水性ポリマーを含み、
前記保護フィルムは、ガスを透過させる、請求項1に記載のガスセンサーパッケージ。 - 前記パッケージ基板の前記ホール内で前記パッケージ基板の前記ホールの前記閉じた底面上に設けられた制御素子をさらに含み、
前記第1のガスセンサーは、前記制御素子上に積層される、請求項1に記載のガスセンサーパッケージ。 - 前記制御素子を前記第1のガスセンサーと接続する第1ボンディングワイヤをさらに含む請求項7に記載のガスセンサーパッケージ。
- 前記制御素子上に積層された第2のガスセンサーをさらに含み、
前記第1のガスセンサー及び前記第2のガスセンサーは、前記制御素子上で互いに離間されている、請求項7に記載のガスセンサーパッケージ。 - 前記パッケージ基板は、積層された第1ベース層及び第2ベース層を含み、
前記第2ベース層は、前記第1ベース層の上面の一部を露出させ、
ボンディングパッドが、前記第1ベース層の前記上面の露出された前記一部上に配置され、
前記第1のガスセンサーは、前記ボンディングパッドと電気的に連結される、請求項1に記載のガスセンサーパッケージ。 - 第1のホールを有するモジュールボードであり、前記第1のホールは、当該モジュールボードの頂面と底面との間を延在する、モジュールボードと、
前記モジュールボード上に実装され、平面視で前記第1のホールと重なるガスセンサーパッケージであり、
第2のホールを有するパッケージ基板であり、前記第2のホールは、当該パッケージ基板の第1面に開いた端部を有する、パッケージ基板と、
前記パッケージ基板の前記第2のホール内に配置されたガスセンサーと、
前記パッケージ基板の第1面上に配置された固定プレートであり、当該固定プレートは、当該固定プレートの頂面と当該固定プレートの底面との間を延在するベントホールを有し、当該固定プレートの前記底面は前記パッケージ基板に面し、当該固定プレートの前記頂面は前記パッケージ基板に面さず、当該固定プレートは、平面視で前記第2のホールと重なる、固定プレートと、
前記固定プレート上に付着された保護フィルムと、を含むガスセンサーパッケージと、
前記パッケージ基板の前記第1面及び前記モジュールボードの間に提供される接地ソルダと、を含み、
前記パッケージ基板の前記第1面は、前記モジュールボードに面し、
前記固定プレートの前記底面は、前記ガスセンサーの頂面に面し、且つ前記ガスセンサーの前記頂面から離間され、
前記固定プレートは、前記パッケージ基板を通じて前記接地ソルダと電気的に連結される、
センシング装置。 - 前記ベントホールは、平面視で前記保護フィルムと重なり、
前記パッケージ基板の前記第1面は、前記ガスセンサーの前記頂面よりも高い高さに置かれている、請求項11に記載のセンシング装置。 - 前記パッケージ基板の前記第1面及び前記モジュールボードの間に提供される信号ソルダをさらに含み、
前記信号ソルダは、前記固定プレートと絶縁される、請求項11に記載のセンシング装置。 - 前記ガスセンサーは、前記接地ソルダと電気的に連結される、請求項11に記載のセンシング装置。
- 前記ベントホールは、平面視で前記パッケージ基板の前記第2のホールと重なる、請求項11に記載のセンシング装置。
- 前記ベントホールは、平面視で前記モジュールボードの前記第1のホールと重なる、請求項11に記載のセンシング装置。
- 前記固定プレートの幅は、前記パッケージ基板の前記第2のホールの幅より大きい、請求項11に記載のセンシング装置。
- 前記保護フィルムは、防水フィルムを含み、
前記防水フィルムは、各々が0.1μmから10μmの範囲の直径を持つ複数の気孔を有する、請求項11に記載のセンシング装置。
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