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Byron / 2017-11-18
With the rapid development of electronics technology, Printed circuit boards have been widely used in all kinds of fields to satisfy more products requirements
Due to the high-volume consumer electronics manufactured, the amount of PCBs produced to control them must be equal in quantity. These high-volume PCBs have low per-unit cost, keeping the price of the final product relatively small. The challenge is maintaining the uniformity and quality of these PCBs, which is why PCB manufacturers have to comply with strict industry standards and quality-control measures to ensure that every consumer electronic functions as expected.The applications of PCBs in consumer electronics are extensive. The following are just a few of the common uses of PCBs in consumer electronics:
• Mobile Devices: Smart phones and tablets are at the heart of our daily routine, functioning as everything from our alarm clocks to our GPS. None of these processes would be possible without high-volume PCBs.
• Computer Electronics: Desktops and laptops both contain PCBs at their cores, as do the screens and peripheral devices associated with them. Just a few computer components that make use of PCBs include motherboards, flex connectors and memory interface cards.
• Recording Devices: Camcorders, digital cameras, microphones and other recording devices all rely on their internal PCBs to function.
• Entertainment Systems: Everything in your home entertainment system, from your DVD player and video-game console to your television and stereo set, contains a mass-produced PCB at its core.
• Home Appliances: Almost every modern device runs using electronic components. Alarm clocks, microwaves and even many refrigerators and coffee makers now run using PCB-based electronics.
Electronics contributes significantly to the health-care industry, functioning as diagnostic, monitoring and treatment devices. The medical applications of these electronic devices continue to grow as electronics evolves to become more efficient and dense, leading to endless new possibilities.
However, a small package is needed to meet the size requirements for an implant or emergency room monitor. For this reason, medical PCBs tend to be specialty high-density interconnect PCBs, also referred to as HDI PCBs. Medical PCBs may also be made with flexible base materials, allowing PCB to flex during use, which can be essential for both internal and external medical devices.
• Monitors: Personal and healthcare monitors contain PCBs, including blood glucose monitors, heart rate and blood pressure monitors, and more.
• Scanning Technology: CT scanners and ultrasonic technology often use PCB-based electronics.
• Control Systems: The equipment controlling fluid infusion, flow rate and dispensation is electronically controlled.
• Internal Devices: Heart pacemakers and similar internal medical devices maintain patient health, run by minuscule PCBs at their centers.
• Scientific Instrumentation: Medical research uses numerous scientific instruments to study disease and test patient outcomes. These include electronic microscopes, photometers and control systems for generators and compressors, among other things
In such a fast challenging environment, industry standards is equally rigorous. Currently, thick copper PCBs (significantly thicker than standard ounce PCBs) are often seen in other applications. This kind of PCB facilitate high-current industrial applications and battery chargers.
• Industrial Equipment: Many electric drills and presses used in the manufacturing industry operate using PCB-controlled electronics.
• Measuring Equipment: Equipment used to measure and control pressure, temperature and other variables in the industrial manufacturing process usually runs using PCBs.
Surrounding Monitors: Newer car models are often designed with substantial safety systems to help the driver monitor blind spots and more accurately judge distances. Many cars now come with full-perimeter monitor systems, using radar or cameras to measure distances and alert the driver to close-proximity objects. These systems require high-quality PCBs in order to function correctly.
• Control Systems: Car control systems, including engine management systems, fuel regulators and power supplies, use PCB-based electronics to monitor and manage resources. Some control systems even drive the car for the driver in certain situations. For example, some cars on the market today offer automatic parallel-parking functions.
• Navigation Devices: Incorporated navigation devices are now common in modern vehicles, using GPS computers to help drivers find their way through unfamiliar territory or identify the fastest route to their destination.
• Audio and Video Devices: Many cars on the market today have advanced dashboards that connect the vehicle to the radio or a passenger's phone or music device. Additionally, many family vehicles make use of passenger movie screens to occupy passengers during longer rides. All these devices are controlled using PCB-based electronics.
• Monitoring Equipment: Instrumentation, including accelerometers, pressure sensors, microphones and torque and force sensors all use PCBs as part of their basic function. These products are used within the engines and cockpits of airplanes and rockets, both to monitor the function of the vehicle and to communicate with ground control.
• Testing Equipment: In addition to the function of an aircraft, PCBs are involved in the development and testing of air vehicles. Testing equipment that collects data during structural, vibration and flight testing procedures uses PCBs at its core. This data can then be used to develop more effective, efficient and safer aircraft.
• Firearm Applications: Both military and civilian gun manufacturers often use PCBs in their testing equipment. Manufacturers will often use such equipment to ensure the safety and functionality of explosives, guns and ammunition before putting these products on the market. Some of the equipment used includes penetration shock recorders and impact testing equipment.
• Marine Applications: Both underwater and sailing applications are common places to find PCBs. PCBs often control the navigation, engine management and power distribution systems used on sailing vessels. The fluctuating amounts of pressure and vibration result in a variety of considerations designers have to make to guarantee proper, continuous function.
• Security Applications: Security systems in and around homes and businesses make use of PCBs to coordinate the various components and signals used to detect the presence of an intruder. Smoke, fire and burglar alarms all use PCBs, as do electronic door locks and motion sensors.
• Broadcasting and Telecommunications Applications: As stated previously, PCB-based LED lighting displays are common in the telecommunications and broadcasting industry. PCBs are applied in a variety of other functions within this industry as well. High-frequency amplifiers and filtering appliances commonly use PCBs, as do booster stations, receivers, frequency boards, mixing decks and microphones.
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