Vacuum coating machine operation method plastic vacuum coating equipment
Vacuum coating machine is a common type of coating machine, mainly refers to a type of coating that needs to be carried out under high vacuum, including many types, including vacuum ion evaporation, magnetron sputtering, MBE molecular beam epitaxy, PLD laser. There are many kinds of sputter deposition and the like. The following small series mainly introduces the use of vacuum coating machine and product knowledge, I hope to help everyone.
Vacuum coating machine use
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Evaporative coatings typically heat the target to cause surface components to evaporate as radicals or ions. And it settles on the surface of the substrate, and a film is formed by a film forming process (scatter-island structure-missing structure-layered growth). For sputtering coating, it can be simply understood that the target is bombarded with electrons or high-energy laser, and the surface components are sputtered out in the form of atomic groups or ions, and finally deposited on the surface of the substrate, undergoing a film formation process, and finally forming a film. .
Vacuum coating machine scope
1. Construction hardware: bathroom hardware (such as faucet). Door locks. Door handles. Bathroom, hardware hinges, furniture, etc.
2. Watchmaking industry: It can be used for the coating of the watch case and watch band, crystal products.
3. Other hardware: leather hardware, stainless steel tableware, glasses frames, knives, molds, etc.
4. Large workpieces: automobile wheels, stainless steel plates, signboards, sculptures, etc.
5, stainless steel tubes and plates (various types of surface)
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6, furniture, lamps, hotel appliances.
7, locks, handles, bathroom hardware, golf heads, stainless steel cutlery, blood and other hardware products plated super hard decorative film.
8, watches, straps, glasses, jewelry and other decorations plated super wear-resistant decorative (gold and silver) nano-film and nano-film and nano-layered film.
Vacuum coating equipment plastic vacuum coating equipment
The development of plastic vacuum coating equipment is quite fast. As the productivity increases, the production cost is greatly reduced, which has paved the way for the widespread use of vacuum coating products. Taking a roll-type vacuum coating machine as an example, the film substrate that can be plated at the time of development is 150 mm wide and has reached 2253 mm. The maximum roll diameter of the substrate roll is 1000 mm and the maximum winding speed is 750 m/min. The semi-continuous winding vacuum coater with automatic loading and unloading accounts for 75% of the total cycle time, and the auxiliary operation time only accounts for 25%. The more efficient roll-to-roll vacuum coater from the atmosphere to the atmosphere was sold in 1977. With the advancement of measurement technology, control technology and the application of electronic computers, the roll-to-roll vacuum coater is developing in the direction of high automation and high reliability.
The thickness of the coating layer that can be deposited by the roll-on vacuum coating machine ranges from 0.01 to 0.2 mm; m, which can be selected within this range, and some can also be coated with a multilayer film to meet various needs. The Japanese patent proposes a roll-type vapor deposition device that deposits two different coating materials.
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Vacuum coating equipment Plastic vacuum coating equipment The vacuum chamber (6) of the device is divided into an upper chamber (7), a left lower chamber (8) and a lower right chamber (9). During evaporation, the coating materials (21, 25) evaporated by the two evaporation sources (19, 23) are deposited on the plastic film (11), respectively, and the glow discharge generator is mounted on the side where the plastic film is not vapor-deposited ( 15, 16). The glow discharge gas generated by the generator prevents the plastic film from wrinkling. Using this device, a very thin plastic film can be coated with a wrinkle-free multilayer film for use in tape and thin film solar cells.
Vacuum coating equipment Plastic vacuum coating equipment High-speed low-temperature sputtering method has developed rapidly, making deposition of high-melting-point metals such as chromium, titanium, tungsten, molybdenum, etc. possible. A large bell-type sputter coater with a diameter of 1400 mm and a height of 2,200 mm and a large tandem sputter coater with a length of 13 mm and a width of 7.6 mm have been put into use. Recently, the Japanese patent proposes a roll-on sputter coater which can plate two kinds of non-directional coating materials and install a temperature control device (13) between the first sputtering zone and the second sputtering zone. Strengthen the cooling of the substrate to ensure that the substrate does not shrink and deform when the coating layer is thicker and the deposition speed is faster. A schematic diagram of the device is shown in Figure 1. The vacuum chamber (1) is provided with sputtering targets (4a, 4b) and anodes (14a, 14b), and the two targets are respectively connected to a DC power source (5a, 5b) to sputter the plastic film (8). The rolls (11a, 11b, 11c) have respective cooling temperatures.