Waterproof Mobile Phone | Portable Electronics Vents

Generally, traditional wearable devices, such as electronic watches, can achieve swim-grade waterproof by only sealing the cavity as a whole because of their simple functions and low power consumption. With the development of chip technology, wearable devices have entered the intelligent era. As an important intelligent terminal device for the extension of human intelligence, developers need to integrate more microphones, speakers, and high-density batteries into wearable devices in order to realize functions such as voice interactions, health measurement and management, and environmental monitoring, etc. As a result, the fully sealed waterproof method of the past is no longer suitable for today’s products and even may cause problems. For example, with power consumption growing, the internal pressure caused by heat cannot be released successfully, resulting in abnormal sound of the horn. Similarly, during air transportation, the enclosures of the equipment may bulge due to the rapid changes of air pressure.

Meanwhile, compared with mobile phones, wearable devices tend to face more stringent waterproof and environmental challenges. For example, wearable devices need to meet challenges in different applications, including waterproof in swimming, the erosion of active liquids such as oil stains and hand sanitizers in daily use.

IPRO’s product and technology teams maintained close contact with R&D teams of industry-leading wearable device manufactures, and jointly formulate standards for testing and inspection to ensure that waterproof and breathable products can adapt to the special applications of wearable devices. The advantages of IPRO waterproof venting products are as follows:

1. The products can meet different waterproof requirements of customers, including IP67, 1ATM, 3ATM, 5ATM and even up to 10ATM;
2. The products can meet the most stringent reliability test requirements of customers and provide the most trusted protection for wearable devices;
For specific product specifications, please contact professional sales engineer.

Product category: Deep-Immersion Vents, Shallow-Immersion Vents, Acoustic Vents for Speakers

The earliest drivers and sensors were made by electromechanical processes. They are relatively bulky and high in manufacturing cost, and are unable to meet consumer electronics miniaturization needs. Since the end of the 1980s, with the rapid development of the integrated circuit industry, the trend of integrating the drivers and sensors with chips are inevitable with scientific and technological development, leading to the birth of MEMS applications, among which, the most typical is MEMS microphone. For quite a long time in the past, condenser microphones were widely used in electronic products, such as electret microphone (ECM), commonly used in mobile phones. The structure of electret microphone can be simply described as a sound cavity which is formed of sealed circuit boards surrounded by a cylindrical enclosure. Inside the sound cavity, basic units such as diaphragm and back plate are set. With the continuous miniaturization of electronic products, the design space for microphones is getting increasingly small. Smaller diameter of diaphragm means the sacrifice of the acoustic performance of the microphone. In which case, MEMS microphones with smaller size and better performance are more and more favored by terminal manufacturers. Acoustic device manufacturers including KNOWLES, Goertek and AAC have basically replaced most conventional electret microphones in mobile phones with MEMS microphones.

However, the manufacturing of MEMS is a very sophisticated process with high environmental requirements. Manufacturers need to focus on the following aspects:

1、In MEMS devices, precision parts with micron or micro-nano size are very fragile. During the packaging process, components need to face the temperature impact of processes such as reflow soldering. How to ensure the minimum stress on devices by packaging?

2、The contradiction between highly clean packaging environment and micro actuator which cannot be fully sealed. MEMS devices are extremely sensitive to dust, so it is necessary to avoid pollution in the manufacturing process. However, in addition to the electrical signals, the MEMS sensor chip also has other physical signals that needs to be connected with the outside world, such as light, sound, force, magnetism, etc. Therefore, on the one hand, MEMS devices should not be completely sealed but with open passages for signal transmission;

3、Testing during packaging. Mechanical property changes, chemical contamination, air tightness, vacuum degree, thermal matching, etc. that happened in the packaging process will affect the performance of MEMS sensors. In order to avoid batch scrapping, in-process testing is particularly important;

IPRO has carried out in-depth co-operations with MEMS device supplier. With many years of experiences in ePTFE R&D and application, IPRO has successfully launched a dust-proof breathable membrane specially used for protection in MEMS packaging and patch manufacturing process, which can effectively solve the problems of pressure accumulation, dust pollution and process testing in MEMS manufacturing, and greatly improve the productivity and yield of MEMS manufacturing;

Application:
According to different process nodes of customers, IPRO offers a variety of MEMS dust-proof breathable/ sound permeable products. The product features are as follows:

1、Customized typesetting can meet the mass and fully automated production needs of SMT manufacturers and MEMS device manufacturers;
2、Temperature resistance up to 260℃*60s, enough to deal with extreme working conditions;
3、Excellent performance in air permeability, sound transmission, and dust-proof to meet the manufacturer’s protection requirements for MEMS microphone;
4、Stable consistency for the reliability of MEMS sensors

Product category: MEMS Acoustic Vents, MEMS Pressure Vents

According to the latest estimates, the scale of the global civil walkie talkie market will reach 100 billion US dollars. Especially when the communication field is increasingly diversified with segmented market demands, walkie talkie’s unique advantages of professional frequency, good confidentiality and zero cost makes it impossible to be replaced by cellphones.

Walkie talkie is the main communication tool of the public system in various countries when dealing with daily affairs, this is because the wireless walkie talkie can realize communications in designated areas and improve efficiency. As an important part of the public command and dispatching system, it has high standards for products, however, failure still occurs from time to time due to complex application environments. Therefore, how to improve the reliability of walkie-talkies to meet the needs of the growing public system is the key for companies in today’s walkie-talkie market.

Waterproof and air permeability solutions launched by IPRO for walkie-talkie can protect the equipment from the invasion of pollutants, dust, and liquids, equalize pressure, and ensure the best sound quality. It’s widely applied in various walkie-talkies used in outdoors, security systems, vehicles, and railways, etc. It plays a vital role in key rescue and emergency response operations.

IPRO provides different kinds of products with flexible application and installation methods:
Acoustic Vent
Adhesive Vent

Scanner is a device that converts graphic or image information into digital signals by scanning using photoelectric and digital processing technology.

The rapid dissemination of QR code allows the scanner industry to develop fast. The scanners can process a large amount of content per second by reading bar code images and send the content from the image processor to the host computer at an astonishing speed. However, the environment in which scanners are used is complex and changing, so there are many possibilities for scanner failure. Based on technical expertise and professional experience, IPRO provides customers with specialized waterproof and air permeability solutions which enable scanners to quickly balance pressure differentials and extend service life. In this way, IPRO tackles challenges in different vertical markets and environments with ease and effectively shields against contaminants, such as dirt, dust or salt.

IPRO waterproof venting products have the following characteristics:

• Reduced condensation and avoid corrosion of sensitive internal components
• Multiple installation methods are available
• Reduced shell design complexity, heaviness, and cost

IPRO provides different kinds of products with flexible application and installation methods:

Acoustic Vent
Adhesive Vent