Custom Dome Sheets & UV
Структура: Многослойный композит (ПЭТ/нержавеющая сталь/проводящий слой);
Диапазон усилий срабатывания: 5-500gf (настраивается);
Стандартный ход: 0,05-0,5 мм;
Контактное сопротивление: < 100 мОм (типично);
Жизненный цикл: ≥500 000 циклов;
Устойчивость к воздействию окружающей среды: -40℃ ~ +85℃ (с возможностью расширения до 125℃);
Степень защиты: Класс защиты IP68.
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.
| Категория параметров | Стандартный диапазон | Premium Spec | Стандарт испытаний |
|---|---|---|---|
| Усилие срабатывания | 10 - 200 гф | 5 - 500 гф (на заказ) | IEC 61000-4-2 |
| Путешествие | 0,05 - 0,5 мм | 0,02 - 1,0 мм | ISO 13732-1 |
| Сопротивление контактов | < 100 мΩ | < 50 мΩ | EIA-364-23 |
| Время прыжков | < 10 мс | < 5 мс | MIL-STD-202 |
| Срок службы | 1 миллион циклов | 5 миллионов циклов | IEC 60384 |
| Структура | спецификация | Изображение |
|---|---|---|
| УФ-выступы | Однослойные УФ-выступы |  |
| УФ-выступы + прозрачный лист DOME SHEET |  | |
| УФ-выступы + черное покрытие DOME SHEET |  | |
| УФ-выступы + белое покрытие DOME SHEET |  | |
| УФ-выступы +LGF+DOME SHEET |  |
| Вызов | Постановка проблемы | Решение / технологический прорыв | Достигнутые показатели |
|---|---|---|---|
| Тактильный контроль согласованности | Разброс силы от партии к партии > 15 % | Цифровая оснастка + контроль силы на основе искусственного интеллекта 100 % | Отклонение силы < 5 % |
| Водонепроницаемый и пылезащитный | Надежность в жестких условиях эксплуатации | Лабиринтное уплотнение кромки + нано-гидрофобное покрытие | IP68 (подтверждено испытанием на погружение в воду на глубину 3 м) |
| Требование к ультратонкости | Тонкий форм-фактор устройства | Ультратонкий купол из нержавеющей стали толщиной 0,08 мм + ламинирование гибкой подложки | Толщина боковой клавиши телефона уменьшена с 0,8 мм до 0,3 мм |
| Анализ сценариев применения | Экологические требования | Механические характеристики | Электрические параметры | Структурное ограничение |
|---|---|---|---|---|
| Бытовая электроника | -20 °C - +70 °C | 10 - 150 гф | < 100 мΩ | Толщина < 0,3 мм |
| Автомобильная электроника | -40 °C - +105 °C | 50 - 300 гф | < 50 мΩ | Защита IP67 |
| Медицинское оборудование | +10 °C - +40 °C | 20 - 100 гф | Медицинская сертификация | Конформная поверхность с кривой поверхностью |
| Ярус решений | Материал подложки | Материал купола (металл) | Номинальная жизнь |
|---|---|---|---|
| Экономичный | ПЭТ | 304 нержавеющая сталь | 0,5 M циклов |
| Сбалансированный | PEN | нержавеющая сталь 301 | 1 M циклов |
| Флагман | ПИ | Бериллиево-медный сплав | 5 M циклов |
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.
| Область применения | Типичный пример использования | Core Benefits Provided by Dome Sheets & UV |
|---|---|---|
| Автомобильная электроника | 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. |
Shanyo сотрудничает с ведущими компаниями в различных отраслях промышленности по всему миру, разрабатывая и производя для них купольные решетки.
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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