WO2010116622A1 - 半導体素子用基板の製造方法および半導体装置 - Google Patents
半導体素子用基板の製造方法および半導体装置 Download PDFInfo
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- WO2010116622A1 WO2010116622A1 PCT/JP2010/001897 JP2010001897W WO2010116622A1 WO 2010116622 A1 WO2010116622 A1 WO 2010116622A1 JP 2010001897 W JP2010001897 W JP 2010001897W WO 2010116622 A1 WO2010116622 A1 WO 2010116622A1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/40—Leadframes
- H10W70/479—Leadframes on or in insulating or insulated package substrates, interposers, or redistribution layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/01—Manufacture or treatment
- H10W70/05—Manufacture or treatment of insulating or insulated package substrates, or of interposers, or of redistribution layers
- H10W70/095—Manufacture or treatment of insulating or insulated package substrates, or of interposers, or of redistribution layers of vias therein
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/60—Insulating or insulated package substrates; Interposers; Redistribution layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/60—Insulating or insulated package substrates; Interposers; Redistribution layers
- H10W70/62—Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their interconnections
- H10W70/65—Shapes or dispositions of interconnections
- H10W70/654—Top-view layouts
- H10W70/656—Fan-in layouts
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/50—Bond wires
- H10W72/551—Materials of bond wires
- H10W72/552—Materials of bond wires comprising metals or metalloids, e.g. silver
- H10W72/5522—Materials of bond wires comprising metals or metalloids, e.g. silver comprising gold [Au]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/874—On different surfaces
- H10W72/884—Die-attach connectors and bond wires
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/734—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked insulating package substrate, interposer or RDL
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/736—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked lead frame, conducting package substrate or heat sink
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/754—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked insulating package substrate, interposer or RDL
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink
Definitions
- FIGS. 2A to 2C are diagrams schematically showing the structure of an interposer using a QFN (Quad Flat Non-lead) type lead frame, which is an example of a conventional interposer.
- a flat portion 21 of the lead frame on which the semiconductor element 22 is mounted is provided at the center of the lead frame made of aluminum or copper.
- Leads 23 having a wide pitch are disposed on the outer periphery of the lead frame.
- the lead 23 and the electrical connection terminal of the semiconductor element 22 are connected by a wire bonding method using a metal wire 24 such as a gold wire.
- FIG. 2B the whole is finally molded with a molding resin 25 and integrated.
- FIGS. 2A to 2C can be electrically connected only between the outer periphery of the semiconductor element and the outer periphery of the lead frame.
- the connection between the printed board and the interposer is performed by attaching a metal pin to the extraction electrode 26 on the outer peripheral portion of the interposer.
- BGA Ball Grid Array
- solder balls are arranged in an array on external connection terminals on the outer periphery of an interposer.
- a method of multilayering and stacking the wiring layers of the interposer is usually employed.
- connection terminals of the semiconductor element are often formed in an array on the bottom surface of the semiconductor element.
- an external connection terminal on the interposer side is arranged in the same array as that of the connection terminal of the semiconductor element, and a flip chip connection method using a small solder ball is employed for connection between the interposer and the printed board.
- the wiring in the interposer is vertically drilled from above with a drill or a laser, and metal plating is performed in the hole, so that electrical conduction between the upper and lower sides is achieved.
- the pitch of the external connection terminals can be reduced to about 150 to 200 ⁇ m, so that the number of connection terminals can be increased.
- the reliability and stability of bonding are lowered, and it is not suitable for in-vehicle use where high reliability is required.
- the interposer has a ceramic structure for the part holding the lead frame, or P-BGA (Plastic Ball Grid Array), CSP (Chip Size Package), LGA (Land Grid Array).
- P-BGA Physical Ball Grid Array
- CSP Chip Size Package
- LGA Land Grid Array
- base materials such as organic ones, and they are properly used according to the intended use.
- the fine pitch of the connection part of the interposer with the semiconductor element and the high-speed signal correspondence are progressing in response to the miniaturization, the increase in the number of pins, and the high speed of the semiconductor element.
- the pitch of the terminal portion of the interposer needs to be 80 to 100 ⁇ m.
- the lead frame is affixed to a holding material 27 made of polyimide tape, and the semiconductor element 22 is fixed to the flat portion 21 of the lead frame with a fixing resin or a fixing tape 28. Thereafter, wire bonding is performed, and a plurality of chips, that is, semiconductor elements 22 are collectively molded with a molding resin 25 by a transfer molding method. Finally, exterior processing is performed, and the interposer is cut into one piece and completed.
- connection post protrudes from the surrounding pre-mold resin layer, for example, when solder balls are to be mounted on the post.
- solder balls due to a small shift in the mounting position, there is a possibility that the ball may drop off from the connection post, and there is a problem that the yield is lowered.
- a first photosensitive resin layer is provided on the first surface of the metal plate, and a second surface different from the first surface of the metal plate is provided. And developing the first photosensitive resin layer by selectively exposing the first photosensitive resin layer in accordance with the first pattern and developing the first photosensitive resin layer.
- the semiconductor according to the first aspect of the present invention It is a manufacturing method of a substrate for elements.
- a semiconductor element is mounted on a semiconductor element substrate obtained by the method for manufacturing a semiconductor element substrate according to any one of the first aspect of the present invention to the third aspect of the present invention.
- the semiconductor substrate is characterized in that the semiconductor element substrate and the semiconductor element are electrically connected by wire bonding.
- the height of the bottom surface of the connection land can be processed lower than the surrounding pre-mold resin.
- the pre-mold resin around the connection lands serves as a wall, and the solder balls can be mounted in a high yield without dropping the balls from the lands when the solder balls are mounted.
- each manufactured BGA is 10 mm square, and has an external connection part in an array shape in plan view of 168 pins.
- the BGA was multifaceted to the substrate and cut and cut after the following manufacturing steps to obtain individual BGA type semiconductor element substrates.
- a connection post 5 is formed on one surface side of the copper substrate 1 (the surface opposite to the surface on which the semiconductor element 10 is mounted, hereinafter referred to as the first surface side).
- a first resist pattern 3 is formed.
- a second resist pattern 7 for forming a wiring pattern is formed on the other surface side of the copper substrate 1 (the surface on which the semiconductor element 10 is mounted, hereinafter referred to as the second surface side). did.
- the semiconductor element 10 is mounted on the upper surface of the lead frame at the center of the substrate.
- a wire bonding land 4 is formed on the upper surface of the outer periphery of the lead frame near the outer periphery of the semiconductor element 10.
- the outer periphery of the semiconductor element 10 and the land 4 are connected by a thin gold wire 8.
- connection posts 5 for guiding an electrical signal from the upper wiring to the back surface are arranged, for example, in an array in plan view. Further, it is necessary to electrically connect some of the lands 4 to the connection posts 5. Therefore, the wiring patterns 6 respectively connected to some of the lands 4 are formed radially, for example, from the outer periphery of the substrate toward the center so as to be connected to the connection posts 5 (not shown).
- the first etching treatment is performed, As shown in FIG. 1D, the thickness of the copper substrate portion exposed from the resist pattern on the first surface side was reduced to 30 ⁇ m.
- the specific gravity of the ferric chloride solution was 1.38, and the liquid temperature was 50 ° C.
- the copper substrate 1 in the portion where the first resist pattern 3 for forming the connection post 5 is formed is not etched. Therefore, the connection post 5 existing through the front and back of the copper base material 1 can be formed.
- the copper substrate 1 at the site where the etching process is to be performed is not completely dissolved and removed by the etching process, but the etching process is terminated when the copper substrate 1 has a predetermined thickness. Etching is performed halfway.
- the resist pattern 3 was peeled off with a 20% aqueous sodium hydroxide solution, and the temperature of the peeling solution was 100 ° C.
- the use of a film-like resin as the premolding resin is effective in terms of simplifying the processing. Moreover, performing the press working in the vacuum chamber has an effect of eliminating voids generated in the resin, and can suppress generation of voids in the resin.
- the film-like resin was pressed, heating was performed at 180 ° C. for 60 minutes as post-baking. After the post-baking of the premold resin, as shown in FIG. 1G, the resin covering the first surface was removed by polishing until the bottom surface of the connection post was exposed.
- a buffol rotary polishing apparatus was used, and the bafrole count was equivalent to 800.
- half etching of the first surface was performed.
- a mixed solution of sulfuric acid and hydrogen peroxide was used, and the etching amount was calculated so that the height of the connection land was 10 ⁇ m lower than that before processing.
- the first surface was covered with a back sheet for protection, the second surface back sheet was removed, and then the second surface was etched.
- a ferric chloride solution was used, the specific gravity of the solution was 1.32 and the temperature of the solution was 50 ° C.
- the purpose of the etching is to form a wiring pattern on the second surface, and the copper exposed from the second resist pattern 7 on the second surface is dissolved and removed.
- the plating layer 12 can be formed on the lead frame by an electrolytic plating method.
- an electroless nickel / palladium / gold plating forming method that does not require a supply electrode is employed.
- the wire bonding lands 4 at predetermined portions of the electrical connection terminals of the semiconductor element 10 and the wiring pattern 6 are mounted. And wire bonding was performed using a gold thin wire 8. Thereafter, molding was performed so as to cover the lead frame and the semiconductor element 10. Subsequently, the imprinted semiconductor substrate was cut to obtain individual semiconductor substrates. Finally, as shown in FIG. 1K, after applying flux to the terminal portions of each semiconductor substrate, the solder balls 16 are mounted and reflow processing is performed to form solder bumps. Obtained.
- the manufacturing method and the semiconductor device for a semiconductor element substrate according to the present embodiment process the bottom surface of the connection land lower than the surrounding premold resin when manufacturing the semiconductor element substrate with a premold. can do.
- the resin around the connecting lands served as a wall, and the balls did not fall off the lands when the solder balls were mounted.
- solder balls can be mounted with high yield.
- the height of the bottom surface of the connection land can be processed lower than the surrounding pre-mold resin.
- the pre-mold resin around the connection lands serves as a wall, and the solder balls can be mounted in a high yield without dropping the balls from the lands when the solder balls are mounted.
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- Lead Frames For Integrated Circuits (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Abstract
Description
本願は、2009年3月30日に、日本に出願された特願2009-081784号に基づき優先権を主張し、その内容をここに援用する。
このインターポーザの一方の面に、半導体素子を実装し、他方の面もしくは基板の周辺でプリント基板との接続が成される。インターポーザは内部もしくは表面に金属リードフレームを有しており、リードフレームにより電気的接続経路を引き回して、プリント基板との接続を行う外部接続端子のピッチを拡張している。
図2Aに示すように、アルミニウムあるいは銅からなるリードフレームの中央部に半導体素子22を搭載するリードフレームの平坦部分21を設ける。リードフレームの外周部にピッチの広いリード23を配設する。リード23と半導体素子22の電気的接続用端子との接続には、金線などのメタルワイヤー24を使用したワイヤーボンディング法によって行われる。図2Bに示すように、最終的には全体をモールド用樹脂25でモールドして一体化する。
面積が狭く、端子数が多い半導体素子に対しては、配線層が一層のみのインターポーザでは、ピッチの変換が困難である。そのため、インターポーザの配線層を多層化し、積層する手法が通常、採用されている。
この方式によるインターポーザでは、外部接続端子のピッチは凡そ150~200μm程度まで微細化できるため、接続端子数を増やすことはできる。しかし、接合の信頼性や安定性は低下し、高い信頼性が要求される車載用などには向いていない。
上記のいずれのインターポーザも、半導体素子の小型化、多ピン化、高速化に対応して、インターポーザの半導体素子との接続部分のファインピッチ化及び高速信号対応が進んでいる。微細化の進展を考慮すると、インターポーザの端子部分のピッチは80~100μmが必要である。
上記の条件を考慮し、金属板の厚さとしては100~120μm程度が最低必要と云われている。その場合、金属板の両側からエッチングするとして、リードのピッチで120μm、リード線幅で60μm程度のファイン化が限界と云われている。
このようにして製造したリードフレーム状の半導体素子用基板においては、金属の厚さを、ファインエッチングが可能なレベルまで小さくしても、プリモールド樹脂が支持体となっているため、安定したエッチングが可能である。また超音波エネルギーの拡散が小さいため、ワイヤーボンディング性にも優れる。さらに、ポリイミドテープなどの保持材を使用しないため、それによるコストアップも抑えることができる。
このように厚さを制御して塗付する方法としては、例えば、シリンジ等を用いて、塗付面の底の一点あるいは複数点からプリモールド用樹脂を流し込み、それが塗布面全体までぬれ広がるのを待つことが挙げられる。この場合、プリモールド用樹脂は、接続用ポスト底面が露出している状態を保たねばならない関係上、プリモールド用樹脂の高さが、接続用ポスト底面に達する前に、プリモールド用樹脂の充填を終えられねばならない。その結果として、プリモールド用樹脂の高さは接続用ポストよりも低くなる。
次に、所望のパターンを有するパターン露光用フォトマスクを介して、両面からパターン露光し、その後1%水酸化ナトリウム溶液で現像処理を行った後に、水洗およびポストベークを行い、図1Cに示すように第1のレジストパターン3及び第2のレジストパターン7を得た。
尚、銅基板1の一方の面側(半導体素子10が搭載される面とは反対側の面であり、以下では第1の面側と記す)には、接続用ポスト5を形成するための第1のレジストパターン3を形成する。又、銅基板1の他方の面側(半導体素子10が搭載される面であり、以下では第2の面側と記す)には、配線パターンを形成するための第2のレジストパターン7を形成した。
また、ランド4のうち幾つかを、接続用ポスト5に電気的に接続させる必要がある。そのため、ランド4の幾つかと各々接続した配線パターン6を接続用ポスト5と接続するよう基板の外周から中心方向に向けて、例えば放射状に形成している(図示せず)。
上記プレス加工に際しては、真空加圧式ラミネート装置を用いた。プレス部の温度は100℃、真空チャンバー内の真空度は0.2torr、プレス時間は30秒にてフィルム状の熱可塑性樹脂のプレス加工を行った。
また、真空チャンバー内でのプレス加工を行うことは、樹脂内に生じた空隙を解消する効果があり、樹脂内のボイドの発生を抑えることができる。
プリモールド樹脂のポストベークの後には、図1Gに示すように、第1の面を覆っている樹脂を、接続用ポストの底面が露出するまで研磨除去した。装置としては、バフロール回転式研磨装置を用い、バフロールの番手は、800番相当を使用した。
リードフレームへのめっき層12の形成は、電解めっき法が適用可能である。しかし、電解めっき法では、めっき電流を供給するためのめっき電極の形成が必要になり、めっき電極を形成する分、配線領域が狭くなり、配線の引き回しが困難になる。そのため、本実施例では、供給用電極が不要な、無電解ニッケル/パラジウム/金めっき形成法を採用した。
最後に、図1Kに示すように、各々の半導体基板の端子部に、フラックスを塗布したのちに、半田ボール16を搭載し、リフロー処理することによって、半田バンプを形成し、所望の半導体装置を得た。
2 感光性レジスト
3 第1のレジストパターン
4 ワイヤーボンディング用ランド
5 接続用ポスト
6 配線パターン
7 第2のレジストパターン
8 金細線
10 半導体素子
11 プリモールド樹脂層
12 めっき層
13 固定用接着剤もしくは固定用テープ
16 半田ボール
21 リードフレームの平坦部分
22 半導体素子
23 リード
24 メタルワイヤー
25 プリモールド用樹脂
26 取り出し電極
27 保持材
28 固定用樹脂もしくは固定用テープ
29 リードフレームの裏面
Claims (5)
- 金属板の第1の面に第1の感光性樹脂層を設けることと、
前記金属板の前記第1の面とは異なる第2の面に第2の感光性樹脂層を設けることと、
前記第1の感光性樹脂層に第1のパターンに応じて選択的に露光を行い現像することにより、前記金属板の前記第1の面に、現像された前記第1の感光性樹脂層からなる、接続用ポスト形成用の第1のエッチング用マスクを形成することと、
前記第2の感光性樹脂層に第2のパターンに応じて選択的に露光を行い現像することにより、前記金属板の前記第2の面に、現像された前記第2の感光性樹脂層からなる、配線パターン形成用の第2のエッチング用マスクを形成することと、
前記第1のエッチング用マスク及び前記第2のエッチング用マスクの形成後に、前記第1の面から前記金属板の中途までエッチングを行うことにより前記接続用ポストを形成することと、
前記第1の面の前記接続用ポストの存在しない部分にプリモールド用樹脂を充填することと、
前記第1の面の前記接続用ポストを周囲の前記プリモールド用樹脂よりも高さが低くなるように加工することと、
前記第2の面のエッチングを行い前記配線パターンを形成することと、
を含む、半導体素子用基板の製造方法。 - 前記第1の面の前記接続用ポストの存在しない部分に前記プリモールド用樹脂を充填することは、
前記第1の面の全体を前記プリモールド用樹脂によって埋没させることと、
前記埋没させた後に、前記接続用ポストの底面が露出するように前記プリモールド用樹脂を厚さ方向に均一に除去することと、
を含む、請求項1に記載の半導体素子用基板の製造方法。 - 前記第1の面の前記接続用ポストを周囲の前記プリモールド樹脂よりも高さが低くなるように加工することは、ハーフエッチングにより行われる、請求項1又は2のいずれかに記載の半導体素子用基板の製造方法。
- 金属板の第1の面に接続用ポストを有し、
前記金属板の前記第1の面とは異なる第2の面に配線パターンを有し、
前記第1の面の前記接続用ポストの存在しない部分にプリモールド用樹脂が充填されている、半導体素子用基板であって、
前記第1の面の前記接続用ポストが周囲の前記プリモールド用樹脂よりも高さが低くなっている、半導体素子用基板。 - 請求項4に記載の半導体素子用基板に、半導体素子が実装され、
前記半導体素子用基板と前記半導体素子との間がワイヤーボンディングによって電気的に接続されている、半導体基板。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010800142271A CN102365736A (zh) | 2009-03-30 | 2010-03-17 | 半导体元件用基板的制造方法及半导体器件 |
| SG2011072105A SG175042A1 (en) | 2009-03-30 | 2010-03-17 | Method for manufacturing substrate for semiconductor element, and semiconductor device |
| US13/249,702 US8466547B2 (en) | 2009-03-30 | 2011-09-30 | Method for manufacturing substrate for semiconductor element, and semiconductor device |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009081784A JP2010238693A (ja) | 2009-03-30 | 2009-03-30 | 半導体素子用基板の製造方法および半導体装置 |
| JP2009-081784 | 2009-03-30 |
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| US13/249,702 Continuation US8466547B2 (en) | 2009-03-30 | 2011-09-30 | Method for manufacturing substrate for semiconductor element, and semiconductor device |
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| WO2010116622A1 true WO2010116622A1 (ja) | 2010-10-14 |
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| US (1) | US8466547B2 (ja) |
| JP (1) | JP2010238693A (ja) |
| KR (1) | KR101609016B1 (ja) |
| CN (1) | CN102365736A (ja) |
| SG (1) | SG175042A1 (ja) |
| TW (1) | TWI404188B (ja) |
| WO (1) | WO2010116622A1 (ja) |
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| JP5966275B2 (ja) * | 2011-08-10 | 2016-08-10 | 三菱マテリアル株式会社 | パワーモジュール用基板の製造方法 |
| CN105280597A (zh) * | 2014-07-23 | 2016-01-27 | 华天科技(西安)有限公司 | 一种采用研磨工艺减小引线宽度的封装件及其制作工艺 |
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| JP6537144B2 (ja) * | 2016-03-16 | 2019-07-03 | 大口マテリアル株式会社 | 多列型リードフレーム及びその製造方法 |
| CN111373849A (zh) * | 2017-11-16 | 2020-07-03 | 三菱瓦斯化学株式会社 | 带经图案化的金属箔的层叠体的制造方法和带经图案化的金属箔的层叠体 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102365736A (zh) | 2012-02-29 |
| KR101609016B1 (ko) | 2016-04-04 |
| SG175042A1 (en) | 2011-11-28 |
| US20120018860A1 (en) | 2012-01-26 |
| JP2010238693A (ja) | 2010-10-21 |
| KR20120005446A (ko) | 2012-01-16 |
| US8466547B2 (en) | 2013-06-18 |
| TWI404188B (zh) | 2013-08-01 |
| TW201044533A (en) | 2010-12-16 |
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