JP7720166B2 - 発光ないし受光装置 - Google Patents
発光ないし受光装置Info
- Publication number
- JP7720166B2 JP7720166B2 JP2021085652A JP2021085652A JP7720166B2 JP 7720166 B2 JP7720166 B2 JP 7720166B2 JP 2021085652 A JP2021085652 A JP 2021085652A JP 2021085652 A JP2021085652 A JP 2021085652A JP 7720166 B2 JP7720166 B2 JP 7720166B2
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- Prior art keywords
- light emitting
- receiving device
- barrier layer
- light
- film
- Prior art date
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/386—Improvement of the adhesion between the insulating substrate and the metal by the use of an organic polymeric bonding layer, e.g. adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/28—Multiple coating on one surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7246—Water vapor barrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
-
- H—ELECTRICITY
- 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
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
-
- H—ELECTRICITY
- 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
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of flexible or folded printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/036—Manufacture or treatment of packages
- H10H20/0364—Manufacture or treatment of packages of interconnections
-
- 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
- H10W70/67—Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their insulating layers or insulating parts
- H10W70/688—Flexible insulating substrates
-
- 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
- H10W72/071—Connecting or disconnecting
- H10W72/072—Connecting or disconnecting of bump connectors
- H10W72/07231—Techniques
- H10W72/07236—Soldering or alloying
-
- 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
- H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
-
- 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
- H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
- H10W72/251—Materials
- H10W72/252—Materials comprising solid metals or solid metalloids, e.g. PbSn, Ag or Cu
-
- 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
- H10W90/721—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors
- H10W90/724—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors between a chip and a stacked insulating package substrate, interposer or RDL
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Description
本実施形態の積層フィルム10は、図1に示すように、耐熱性の基材フィルム11と、金属箔14とを接着剤で貼り合わせた構造の積層フィルムであり、接着層12と金属箔14との間に低吸水性のバリア層13を介在させたものである。
図2に示すように、バリア層13を構成する樹脂に溶剤を加えて液状にしたもの(ワニス)を金属箔14の上に均一に塗布し、加熱乾燥して透明なバリア層13を形成する。塗布は、ダイコート、スピンコート、バーコート、スプレーコートなど一般的な塗布方法を用いることができ、ウェット時厚みを20μm以下とし、乾燥時厚みが5~20μmのバリア層を形成する。バリア層の乾燥条件は、例えば酸素濃度が100ppm以下の低酸素条件で、温度を例えば昇温速度:5℃/minで上昇させながら100℃で30分、300度で30分など段階的に行う。
銅箔(厚み35μm)の上に、透明ポリイミドワニス(ネオプリムS100:三菱ガス化学製)を塗布幅200mmのダイコーターを用いて、ウェット厚み105μm、塗布長270mmで塗布した。次いで低酸素雰囲気下(O2濃度:100ppm以下)、100℃で30分乾燥した後、昇温速度5℃/分で300℃まで昇温して、さらに30分乾燥し、ポリイミドからなるバリア層を形成した。バリア層の乾燥後厚みは10μmであった。
実施例1と同じ銅箔及び透明ポリイミド単膜を用いて、バリア層を設けることなく、両者を実施例1と同じシリコーン樹脂で貼り合わせて銅箔-ポリイミドフィルム積層体を作製した。
実施例1と同様の銅箔を用意し、実施例1の透明ポリイミド単膜と同じ厚み(50μm)になるように、透明ポリイミドワニス(ネオプリムS100:三菱ガス化学製)を塗布幅200mmのダイコーターを用いて、ウェット厚み280μm、塗布長270mmで塗布した。次いで低酸素雰囲気下(O2濃度:100ppm以下)、100℃で30分乾燥した後、昇温速度5℃/分で300℃まで昇温して、さらに30分乾燥し、銅箔-ポリイミドフィルム積層体を作製した。
実施例1及び比較例1、2の積層体について次の項目を評価した。
反り及びカールの発生:貼り合わせ終了後に、そのまま平坦な形状を保つか否かを目視で確認した。
接着強度:C5016:1994の90度剥離試験により接着強度(N/cm)を測定した。
透明度紫外可視分光光度計(日立ハイテクサイエンス製、UH4150)を用いて全光線透過率Ttを測定した。
耐溶剤性:積層体を無電解ニッケルめっき液(ICPニコロンなど)に45分間浸漬し、剥離の有無を確認した。
実施例1のバリア層を形成する工程において、透明ポリイミドワニスの塗布量を変えて、それ以外は実施例1と同様にして、バリア層の乾燥厚みが、それぞれ、20μm(実験例1)、25μm(実験例2)、35μm(実験例3)の銅箔-ポリイミドフィルム積層体を作製した。
実施例1の接着層を形成する工程において、シリコーン樹脂の塗布量を変えて、それ以外は実施例と同様にして、接着層の厚みが異なる銅箔-ポリイミドフィルム積層体を作成し、接着層の接着強度(90度剥離試験)を測定した。結果を図5に示す。
Claims (7)
- 耐熱性フィルムの上に接着層を介して金属箔を積層した積層フィルムの、前記金属箔に配線パターンを形成した光透過性のフレキシブル基板と、当該フレキシブル基板の配線パターンの上に搭載された発光素子または受光素子とを含む発光ないし受光装置であって、
前記積層フィルムは、前記金属箔と接着層との間に、吸水率(JIS:K7209:2000)1%以下の樹脂からなるバリア層を含み、
前記耐熱性フィルムが、ポリイミド、ポリカーボネート、ポリアミド、ポリエステル、液晶ポリマーの何れかの材料からなり、
前記接着層が、シリコーン系接着剤であり、
前記配線パターンは、前記金属箔をエッチングにより形成した導電性金属を含み、
前記バリア層は、ポリイミド、ポリカーボネート、ポリアミド、ポリエステル、液晶ポリマーの何れかの材料からなり、且つ、厚みが25μm未満であり、
前記配線パターンの間隙では前記バリア層が露出している発光ないし受光装置。 - 請求項1記載の発光ないし受光装置であって、
前記発光ないし受光素子が、前記配線パターンを跨いで当該配線パターンに接続されていることを特徴とする発光ないし受光装置。 - 請求項1又は2に記載の発光ないし受光装置であって
前記接着層の厚みが、40μm以上であることを特徴とする発光ないし受光装置。 - 請求項1ないし3のいずれか一項に記載の発光ないし受光装置であって、
前記バリア層を構成する樹脂が、ポリイミド樹脂であることを特徴とする発光ないし受光装置。 - 請求項1ないし4のいずれか一項に記載の発光ないし受光装置であって、
前記バリア層の厚みが、20μm以下であることを特徴とする発光ないし受光装置。 - 請求項1ないし5のいずれか一項に記載の発光ないし受光装置であって、
前記耐熱性フィルムが、光透過性のポリイミドフィルムであることを特徴とする発光ないし受光装置。 - 請求項1ないし6のいずれか一項に記載の発光ないし受光装置であって、
前記配線パターンを構成する金属箔の上に、当該金属箔とは異なる金属からなるメッキ層を有することを特徴とする発光ないし受光装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021085652A JP7720166B2 (ja) | 2021-05-20 | 2021-05-20 | 発光ないし受光装置 |
| US17/748,519 US11817538B2 (en) | 2021-05-20 | 2022-05-19 | Laminated film, light-emitting device using the same, and method for manufacturing light-emitting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021085652A JP7720166B2 (ja) | 2021-05-20 | 2021-05-20 | 発光ないし受光装置 |
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| Publication Number | Publication Date |
|---|---|
| JP2022178689A JP2022178689A (ja) | 2022-12-02 |
| JP7720166B2 true JP7720166B2 (ja) | 2025-08-07 |
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| JP2021085652A Active JP7720166B2 (ja) | 2021-05-20 | 2021-05-20 | 発光ないし受光装置 |
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| JP (1) | JP7720166B2 (ja) |
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| JP2001244303A (ja) | 2000-02-25 | 2001-09-07 | Hitachi Chem Co Ltd | 半導体搭載用基板に用いる接着剤付絶縁基材とその製造方法とそれを用いた半導体搭載用基板並びにその製造方法 |
| JP2007264517A (ja) | 2006-03-30 | 2007-10-11 | Fujikura Ltd | 光配線モジュールとその製造方法 |
| JP2010055299A (ja) | 2008-08-27 | 2010-03-11 | Seiko Epson Corp | 表示システム、操作装置及び画像表示装置 |
| US20130157068A1 (en) | 2011-12-16 | 2013-06-20 | Prologium Holding Inc. | Pcb structure with a silicone layer as adhesive |
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| JP4557515B2 (ja) | 2003-07-17 | 2010-10-06 | 日本化薬株式会社 | 接着補助剤組成物 |
| CN110475814B (zh) * | 2017-04-06 | 2022-09-13 | 日东电工株式会社 | 毫米波天线用膜 |
| US11518141B2 (en) * | 2018-11-01 | 2022-12-06 | United States Gypsum Company | Water barrier exterior sheathing panel |
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2021
- 2021-05-20 JP JP2021085652A patent/JP7720166B2/ja active Active
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2022
- 2022-05-19 US US17/748,519 patent/US11817538B2/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| JP2001244303A (ja) | 2000-02-25 | 2001-09-07 | Hitachi Chem Co Ltd | 半導体搭載用基板に用いる接着剤付絶縁基材とその製造方法とそれを用いた半導体搭載用基板並びにその製造方法 |
| JP2007264517A (ja) | 2006-03-30 | 2007-10-11 | Fujikura Ltd | 光配線モジュールとその製造方法 |
| JP2010055299A (ja) | 2008-08-27 | 2010-03-11 | Seiko Epson Corp | 表示システム、操作装置及び画像表示装置 |
| US20130157068A1 (en) | 2011-12-16 | 2013-06-20 | Prologium Holding Inc. | Pcb structure with a silicone layer as adhesive |
| JP2013128108A (ja) | 2011-12-16 | 2013-06-27 | Prologium Holding Inc | 接着剤としてのシリコン層を有するpcb構造体 |
| JP2016141152A (ja) | 2015-01-29 | 2016-08-08 | エスケー イノベーション カンパニー リミテッドSk Innovation Co.,Ltd. | 低吸湿フレキシブル金属張積層体 |
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| Publication number | Publication date |
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| JP2022178689A (ja) | 2022-12-02 |
| US20220376155A1 (en) | 2022-11-24 |
| US11817538B2 (en) | 2023-11-14 |
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