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Laurell Technologies WS-400 spin coater used to apply photoresist to the surface of a silicon wafer. Spin coating is a procedure used to deposit uniform thin films onto flat substrates. Usually a small amount of coating material in liquid form is applied on the center of the substrate, which is either spinning at low speed or not spinning at all.
Rotational molding excels at producing hollow parts. However, care must be taken when this is done. When the depth of the recess is greater than the width there may be problems with even heating and cooling. Additionally, enough room must be left between the parallel walls to allow for the melt-flow to move properly throughout the mold.
RAF 4 1914 - Prototype engine, 140 horsepower (104 kW). RAF 4a 1917 - Main production variant, 150 horsepower (112 kW). 3,608 built. RAF 4d 1916 - 180 horsepower (134 kW), experimental supercharger installation. 16 built.
Slot-die coating is a non-contact coating method, in which the slot-die is typically held over the substrate at a height several times higher than the target wet film thickness. [23] The coating fluid transfers from the slot-die to the substrate via a fluid bridge that spans the air gap between the slot-die lips and substrate surface.
Sputter coating in scanning electron microscopy is a sputter deposition process [clarification needed] to cover a specimen with a thin layer of conducting material, typically a metal, such as a gold/palladium (Au/Pd) alloy. A conductive coating is needed to prevent charging of a specimen with an electron beam in conventional SEM mode (high ...
The soft-touch coating on the back felt foreign, since I’m used to phones with glossier finishes. In fact, the Pixel 4a is as sturdy and well-made as the Pixel 4. Pixel 4a review: The best $350 ...
The cheaper, leaner Pixel 4a is finally here nearly a year after the Pixel 4's launch. Last year's Pixel 4 was a fine enough Android phone in its own right, but Google never did enough to justify ...
This makes it suitable for coating temperature-sensitive substrates, such as plastics and certain metals, without causing damage or deformation. [ 9 ] PVD technologies can be scaled from small laboratory setups to large industrial systems, offering flexibility for different production volumes and sizes.