Infrared lamp bead, also known as infrared LED, is a kind of semiconductor light-emitting device that emits infrared light. With the rapid development of technology and the increasing demand for infrared light, infrared lamp bead has become an indispensable part of many fields. This article will introduce the industry of infrared lamp bead, including its development history, application fields, production technology, and market prospects.

Development History of Infrared Lamp Bead

The development of infrared lamp bead can be traced back to the 1960s. At that time, the United States first developed the infrared LED technology. In the 1970s, Japan began to produce and sell infrared LED products. With the continuous optimization of technology and the expansion of application fields, the infrared lamp bead industry has developed rapidly in recent years.

Application Fields of Infrared Lamp Bead

Infrared lamp bead has a wide range of application fields, mainly including the following aspects:

• Home appliances: infrared lamps are widely used in infrared heating, infrared cooking, and infrared sterilization in home appliances.

• Medical field: infrared lamps are used for physical therapy, infrared therapy, and infrared diagnostics in the medical field.

• Automotive industry: infrared lamps are used for car reversing radar, night vision, and other functions in the automotive industry.

• Security field: infrared lamps are used for infrared surveillance, infrared burglar alarm, and other security functions.

• Communication field: infrared lamps are used for infrared communication, infrared remote control, and other communication functions.

Production Technology of Infrared Lamp Bead

The production of infrared lamp bead mainly includes the following processes:

• Crystal growth: crystal growth is the first step in the production of infrared lamp bead. Common crystal growth methods include Czochralski method, vertical gradient freeze method, and horizontal gradient freeze method.

• Crystal ingot slicing: crystal ingot slicing is the process of cutting the crystal ingot into a single crystal slice. The commonly used slicing methods include wire cutting, diamond wire cutting, and water jet cutting.

• Crystal slice etching: crystal slice etching is the process of etching the crystal slice to form a semiconductor wafer. The commonly used etching methods include hydrofluoric acid etching, potassium hydroxide etching, and potassium hydroxide-nitric acid etching.

• Wafer epitaxy: wafer epitaxy is the process of depositing a semiconductor layer on the semiconductor wafer. The commonly used epitaxy methods include molecular beam epitaxy, metalorganic chemical vapor deposition, and chemical vapor deposition.

• Wafer slicing: wafer slicing is the process of cutting the epitaxial wafer into a single crystal slice. The commonly used slicing methods include wire cutting, diamond wire cutting, and water jet cutting.

• Crystal slice processing: crystal slice processing includes crystal slice cleaning, polishing, and bonding. The commonly used processing methods include chemical cleaning, ultrasonic cleaning, polishing, and bonding.

• Package and testing: the last step is to package the finished product and carry out testing to ensure the quality of the product.

Market Prospects of Infrared Lamp Bead

The market prospects of infrared lamp bead are very promising. With the continuous development of the industry, the following factors will promote the development of the infrared lamp bead market:

• Technological innovation: with the continuous optimization of technology, the performance and cost of infrared lamp bead will be further improved, which will promote the expansion of application fields.

• Market demand: as the application fields of infrared lamp bead expand, the market demand for infrared lamp bead will also increase.

• Government support: governments around the world are actively supporting the development of the semiconductor industry, which will provide favorable conditions for the development of the infrared lamp bead industry.

• Environmental protection: infrared lamp bead has low energy consumption and environmental protection characteristics, which will promote its application in more fields.

In conclusion, the infrared lamp bead industry has a wide range of application fields, rapid development, and promising market prospects. With the continuous innovation of technology and the expansion of application fields, the infrared lamp bead industry will play a more important role in the future development of the semiconductor industry.