Custom Dome Sheets & LGF (Light Guide Film)
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 & LGF (Light Guide Film) solutions represent a significant evolution beyond standard metal domes. This technology integrates a reliable Metal Dome Sheet with a precision light guide layer into a single, unified LGF Dome Sheet module. This innovative approach solves key design challenges—such as uneven backlighting, complex assembly, and increased thickness—associated with traditional backlit buttons. An LGF metal dome array delivers both crisp tactile feedback and perfectly uniform illumination, making it the ideal choice for modern interfaces where user experience and aesthetics are paramount.
| 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 |
| 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 |
Shanyo’s Dome Sheets & LGF provide critical benefits for sophisticated electronic designs:
Engineered microstructures within the LGF Dome Array ensure even light diffusion across the entire panel, eliminating hotspots and creating a premium, consistent glow.
Combining the switch and light guide functions into a single film module enables a remarkably slim profile, facilitating sleek, modern product designs.
As a pre-assembled unit, the LGF metal dome array reduces component count, streamlines production, and minimizes potential points of failure, improving overall durability.
The integrated Metal Dome Sheet maintains a definitive, reliable snap feel with a lifecycle of over 500,000 actuations, ensuring a high-quality user interaction.
Both the tactile dome switch layout and backlighting patterns can be fully customized in shape and effect, supporting unique branding and UI requirements.
The monolithic film construction provides a natural barrier against dust and moisture, forming an excellent foundation for achieving high IP-rated enclosures.
Shanyo's Dome Sheets & LGF can be applied to various industries and specific products.
| Application Field | Typical Use Case | Key Benefits Provided by LGF Dome Sheets |
|---|---|---|
| コンシューマー・エレクトロニクス | Smartwatch crowns, high-end remote controls, gaming controllers. | Delivers brand-defining uniform backlight and premium haptics in compact, design-driven devices. |
| Automotive Interiors | Steering wheel controls, center console touch panels, window switches. | Meets automotive-grade durability and temperature requirements while offering excellent visibility and feel. |
| Medical Devices | Patient monitor interfaces, portable diagnostic equipment. | Ensures clear, reliable operation in low-light environments; seamless surface is easy to clean and disinfect. |
| Industrial Controls & Home Appliances | Industrial HMI panels, control panels for premium kitchen appliances. | Provides a robust, reliable interface with excellent visibility in various lighting conditions. |
A: The key advantage is integration and performance. A traditional assembly stacks separate components (LEDs, light guide plate, rubber dome, metal dome), leading to potential alignment issues, light loss, and greater thickness. An LGF metal dome array integrates the light guide and switch into a single, thin film, guaranteeing superior backlight uniformity, a slimmer profile, and simpler, more reliable assembly.
A: Not at all. The tactile response is solely determined by the performance of the precision-engineered metal snap dome. The light guide layer is designed to coexist without interfering with the dome’s operation, ensuring you receive both perfectly even illumination and a crisp, consistent tactile click.
A: Yes. By designing independent optical channels and zones within the LGF Dome Array, and pairing it with a compatible LED driver circuit, we can achieve dynamic lighting effects including multi-color RGB, breathing patterns, and sequential illumination.
A: Absolutely. The LGF Dome Sheet module itself, being a flat film circuit, is inherently easier to seal than mechanical buttons. Using full lamination bonding, perimeter gaskets, or other sealing techniques, end products can readily achieve high ingress protection ratings like IP68.
A: To begin, we primarily need:
1) Your panel layout and industrial design, specifying desired lit areas and effects;
2) Backlight performance goals (brightness, color, LED specifications);
3) Tactile requirements (actuation force and travel for each key);
4) Environmental specs (operating temperature, required IP rating).
We will then provide a complete solution from optical simulation to functional prototypes.
When dealing with loaders, cranes, or massive excavators that can effortlessly crush concrete, safety is essentially the only metric that really matters. People tend to focus on the big safety
Walking into a busy machining shop, the first thing that hits the senses is usually the noise, closely followed by the distinct smell of synthetic cutting fluids. In the middle
Spend any amount of time observing a modern manufacturing facility, and the sheer volume of automated machinery is mind-boggling. Conveyors, robotic arms, stamping presses—they all seem to run continuously without
