Custom Dome Sheets & UV
構造： 多層コンポジット（PET/ステンレススチール/導電層）；;
作動力範囲： 5-500gf（カスタマイズ可能）；;
標準ストローク： 0.05-0.5mm；;
接触抵抗： < 100 mΩ（代表値）；;
ライフサイクル： ≥500,000サイクル以上；;
環境耐性： -40℃ ~ +85℃（125℃まで拡張可能）；;
保護等級： IP68設計。.
Dome Sheets & UV represent an advanced evolution of the standard Metal Dome Sheet, incorporating a precision application of Ultraviolet (UV)-curable adhesive for functional enhancement. This process involves depositing specially formulated UV glue onto specific areas of a dome array—such as around the dome periphery or contact points—which is then instantly cured by UV light to form robust sealing rings, protective barriers, or tactile bumps. This is more than a manufacturing step; it’s a functional upgrade that transforms a standard metal dome array into a highly integrated module with superior environmental sealing and custom tactile haptics, specifically engineered for demanding applications.
| パラメーター・カテゴリー | 標準レンジ | プレミアム仕様 | 試験基準 |
|---|---|---|---|
| 作動力 | 10 - 200 gf | 5～500gf（カスタマイズ可能） | IEC 61000-4-2 |
| 旅行 | 0.05 - 0.5 mm | 0.02 - 1.0 mm | ISO 13732-1 |
| 接触抵抗 | < 100 mΩ | < 50 mΩ | EIA-364-23 |
| バウンスタイム | < 10 ms | < 5 ms | MIL-STD-202 |
| 運転寿命 | 100万サイクル | 500万サイクル | IEC 60384 |
| 構造 | スペック | 写真 |
|---|---|---|
| 紫外線による突起 | 単層UVプロトタイプ |  |
| UV突起＋透明ドームシート |  | |
| UV突起＋ブラックドームシート |  | |
| UV突起＋白色ドームシート |  | |
| UV突起+LGF+ドームシート |  |
| チャレンジ | 問題提起 | ソリューション／技術のブレークスルー | 達成したパフォーマンス |
|---|---|---|---|
| 触覚の一貫性コントロール | バッチ間力変動 > 15 % | デジタルツーリング＋AIベースの100 %力検査 | 力の偏差 < 5 % |
| 防水・防塵 | 過酷環境下での信頼性 | ラビリンス・エッジ・シール＋ナノ疎水性コーティング | IP68 (3m水没テストによる) |
| 超薄型要件 | スリム・デバイス・フォーム・ファクター | 0.08mm極薄ステンレスドーム＋フレキシブル基板ラミネート | 電話機のサイドキーの厚さを0.8mmから0.3mmに薄型化 |
| アプリケーション・シナリオ分析 | 環境要件 | 機械的特性 | 電気的パラメータ | 構造的制約 |
|---|---|---|---|---|
| コンシューマー・エレクトロニクス | -20 °C - +70 °C | 10 - 150 gf | < 100 mΩ | 厚さ < 0.3 mm |
| カーエレクトロニクス | -40 °C - +105 °C | 50～300スイスフラン | < 50 mΩ | 保護等級IP67 |
| 医療機器 | +10 °C - +40 °C | 20 - 100 gf | 医療資格 | 曲面コンフォーマル |
| ソリューション・ティア | 基板材料 | ドーム（金属）素材 | 定格寿命 |
|---|---|---|---|
| 経済的 | PET | 304ステンレス鋼 | 0.5Mサイクル |
| バランス | ペン | 301ステンレス鋼 | 1Mサイクル |
| フラッグシップ | 浸透探傷検査 | ベリリウム銅合金 | 500万サイクル |
The integration of UV curing technology delivers multidimensional performance enhancements for Dome Sheets:
The cured UV adhesive creates seamless gaskets that effectively block moisture, dust, corrosive gases, and liquids from penetrating the Dome Sheets UV assembly. This is critical for achieving high Ingress Protection (IP) ratings like IP67/IP68, making Dome Sheets &UV ideal for harsh environments.
The cured polymer layer securely bonds the metal domes, circuits, and overlay materials together. This prevents delamination or shifting caused by repeated actuation, vibration, or thermal cycling, significantly boosting the mechanical lifespan and reliability of the entire metal dome array.
By forming precise UV-cured tactile bumps over specific keys, the pressing feel—such as actuation force or travel-end hardness—can be fine-tuned without altering the metal dome itself. These bumps also provide physical guidance for blind operation, greatly expanding the tactile design possibilities of a Metal Dome Sheet.
UV curing happens within seconds, enabling high production efficiency. The application location, shape, and volume of the adhesive are precisely controlled via programming, ensuring exceptional batch-to-batch consistency for Dome Sheets &UV products.
Once cured, the UV adhesive layer exhibits strong resistance to chemicals, high temperature/humidity, and UV aging, ensuring the added functionalities remain reliable throughout the product's operational life.
Shanyo's custom dome sheets & UV can be applied to various industries and specific products.
| Application Field | Typical Use Case | Core Benefits Provided by Dome Sheets & UV |
|---|---|---|
| カーエレクトロニクス | Steering wheel controls, center console panels, door switches. | High sealing protects against condensation and cleaners; Reinforced structure handles vibration and temperature swings; Bump design aids driver blind operation. |
| Outdoor Equipment & Tools | Outdoor GPS units, power tool interfaces, marine instrumentation. | Comprehensive waterproof/dustproof sealing ensures reliable operation in rain, dust, and other harsh conditions. |
| Industrial Control & Automation | Factory HMI panels, machinery control panels, lab equipment. | Chemical resistance against oils and solvents; Enhanced mechanical durability for rugged environments; Sealed design allows for easy cleaning. |
| High-End Appliances & Sanitary | Smart kitchen appliance panels, shower or spa control panels. | Enables full waterproofing, meeting safety requirements for wet or splash-prone environments. |
| Medical & Special Equipment | Portable medical devices, frequently disinfected monitor buttons. | Provides a sealed barrier allowing liquid cleaning without damaging internals; Bump design facilitates use with gloves. |
A: The thickness increase is minimal. UV adhesive layers or bumps can be precisely controlled within a range of 0.1mm to 0.3mm. While cost increases depend on the adhesive type, volume, and complexity, it represents a high-return investment. The added value comes from dramatically improved reliability, achieved waterproofing ratings, and enhanced product differentiation, which can reduce long-term failure risks and warranty costs.
A: Not at all. Professional Dome Sheets UV manufacturing precisely avoids the critical electrical contact areas of the metal domes. The UV adhesive is used for sealing, reinforcement, or creating external tactile structures, leaving the dome’s electrical performance (like contact resistance) and mechanical lifespan (typically still 1 million+ cycles) completely unaffected. In fact, it protects these properties through added stabilization and sealing.
A: We use high-performance, electronics-grade UV-curable adhesives with excellent yellowing resistance (UV stability), and resistance to thermal humidity and chemicals. When processed with correct parameters, the cured adhesive forms an extremely strong bond with substrates like PET and metal. It is designed to pass stringent environmental reliability tests (e.g., damp heat, thermal shock, salt spray), ensuring it remains stable, non-degrading, and does not peel for the product’s entire service life.
A: Absolutely. Customization is a core strength of the Dome Sheets &UV solution. We can tailor the UV application precisely based on your panel design (e.g., matching keycap color), tactile needs (e.g., different bump shapes for different functions), and sealing requirements. Please provide your specific needs and drawings, and our engineering team will develop a tailored solution.
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