Screen Printing Circuit Capacitive Touch Switch With Female Housing

How Capacitive Touch Switches Work

1. Capacitance Principle: Capacitive touch switches operate based on the principle of capacitance, which is the ability of a system to store an electric charge. The switch typically consists of two conductive layers separated by an insulating material, forming a capacitor.

2. Detection Mechanism: When a conductive object, such as a human finger, approaches or touches the switch, it alters the electric field between the conductive layers, changing the capacitance. This change is detected by the switch's circuitry, which continuously monitors capacitance levels.

3. Signal Processing: The detected change in capacitance is processed to determine if a touch event has occurred. Once identified, the switch can trigger a specific action, such as turning on a light or executing a command in a device.

4. Return to Baseline: After the touch event ends, the system resets to its baseline capacitance, ready for the next interaction.

Applications

Capacitive touch switches are commonly found in:

• Smartphones and tablets
• Touch-sensitive control panels and displays
• Consumer electronics
• Automotive interfaces
• Home automation systems
• Medical devices and public spaces.

Advantages and Disadvantages

Pros:

• Durability: No moving parts mean less wear and tear, leading to a longer lifespan.
• Sensitivity: Highly responsive, capable of detecting even slight touches.
• Aesthetic Design: Allows for sleek, flat surfaces without protruding buttons.
• Ease of Cleaning: Smooth surfaces are easier to clean, beneficial in hygiene-sensitive environments.
• Multitouch Support: Enables gestures like pinch-to-zoom.

Cons:

• Cost: Generally more expensive than mechanical switches.
• Environmental Sensitivity: Performance can be affected by temperature and humidity.
• False Touches: May register unintended touches due to environmental factors.
• Lack of Tactile Feedback: Users may miss the physical feedback provided by mechanical switches.
• Integration Complexity: Requires additional electronic components for integration.

Specification:

Performance Index

About Taida.pdf



About ShenZhen TaiDa Menbrane switch CO.,LTD

Taida are an OEM professional specializing in designing and manufacturing membrane switch ,graphic overlay and adhesive sticker/labels with with more than 15 years experience in Shenzhen of China which are widely used in industrial,electronics,household appliance,medical equipments.we have more than 500 different customers .and most of our customer come from USA ,EU ,UK ,middle east and other famous country of world wide.Taida can supply different kinds of Membrane switch based on each client's request .

Factory Strength:
Factory Area: Over 2000 Square meters
Employee :＞ 70
R＆D
Continued quality improvement ,professional Tech support and latest design
From our R＆D department for customers’ demand or samples
Manufacturing
Strong productivity and unified producing process to ensure the fastest delivery time.
QC/QA
20% Employee are QC/QA workers ,quality Guaranteed
Dispatch Department
Power dispatch ability to ensure shipping accuracy and speed
Sales ＆ Customers
Overall ,close and long-term service,No matter in saling and after-sales
Many customers show in our company from worldwide



More photo show:

Taida is a factory and was founded in the 2010 year in China, which focus on the professional design and manufacture of Membrane Switch and Graphic overlays (including different many kinds membrane switch and graphic overlay ,such like LED ,FPC circuit ,waterproof and tactile ,PMMA ,protective film and so on )manufacturers,

Experience:

Taida and engineers have Highly over 15 years experienced on Membrane switch and graphic overlay designs, 500+ customers from worldwide such like USA,UK ,Germany and others , 1000+ new designs per year

Factory Strength and Production Capacity:

Over 2000 square meters of modern plant, spacious and bright clean workshop; more than 25 full Automatic and Semi-Automatic printing machine and other professional Automation equipment,such like testing machine ,UV machine and so on , Taida’ capability has reached 300, 000PCS/month in a very short period since company established.

Quality Control and Ensure :

Taida has got certification of ISO9001: 2000, and also the accreditation for RoHS ,REACH ,UL SGS to meet customer′s requirements.All workers are fully trained before going to production line.and Ensure 100% testing and inspecting before shipping .

Speed & Efficiency:

Concept to Design: < 3 business days

Goods lead time : 12-15 days

Rapid Prototyping: 4-7 days

Overseas Manufacturing

Utilized for larger production volumes and to ensure we can offer the most competitive pricing and Fast lead time to our customers