Thermionic, cold cathode or photo-cathode valves and tubes (including cathode ray tubes)

cpc code 47140 covers the production of thermionic, cold cathode, or photo-cathode valves and tubes, including cathode ray tubes. These electronic components are essential for a wide range of applications, from televisions and computer monitors to industrial equipment and scientific instrumentation. The industry plays a crucial role in the broader electronics and technology sectors, enabling the development and operation of numerous electronic devices that are integral to modern life.

The production of thermionic, cold cathode, or photo-cathode valves and tubes typically involves a multi-step process. This includes the fabrication of the vacuum-sealed glass or metal envelopes, the installation of the electrodes and other internal components, and the evacuation and sealing of the tubes. Specialized equipment and precise manufacturing techniques are required to ensure the proper functioning and reliability of these electronic components.

The main inputs for the production of cpc code 47140 items include various types of glass or metal for the envelopes, conductive materials such as tungsten or molybdenum for the electrodes, and specialized gases and chemicals used in the evacuation and sealing processes. Additionally, the industry relies on advanced manufacturing equipment, including vacuum pumps, sealing machines, and testing apparatus.

The primary outputs of cpc code 47140 are the thermionic, cold cathode, or photo-cathode valves and tubes, which are then consumed by a wide range of industries. These components are used in 26110 Manufacture of electronic components for the production of electronic devices, 26200 Manufacture of computers and peripheral equipment for computer and monitor manufacturing, and 27110 Manufacture of electric motors, generators and transformers for industrial and scientific equipment.