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Positive and Negative Photo resist
There are two types of photo resist: positive and negative. For positive resists, the resist is exposed with UV light where the underlying material is to be removed. In these resists, exposure to the UV light changes the chemical structure of the resist so that it becomes more soluble in the developer. The exposed resist is then washed away by the developer solution, leaving windows of the bare underlying material. In other words, "whatever shows, goes." The mask, thus, having an exact copy of the pattern which is to remain on the wafer.
Why protons doesn''t react which each other?
The Transformer oil helps cool the transformer. Because it also gives part of the electrical insulation among internal live parts, transformer oil must remain stable at high tempe
resultant of two simple harmonic motion
why ,a substance is being heated at a fast rate the temperature of decomposition will be the higher than the obtain at a slower heating rate..
CLASSIFICATION OF CHEMICALS IN THE STORE Your Counsellor will give you names of any five chemicals. You fill up the report in tabular form (Table) indicating the name of the ch
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a mixture of propane (125 lbmole, K = 2.056), n-butane (200 lbmole, K = 0.925), and n-pentane (175 lbmole, K=0.520), is at 200 psia and 200 F. determine the phase of the mixture?
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We have a lot of water plastic bottels that are being threw and wasted , how can we use them in a onother way like making it into a fabric, or I need any topic for project that inv
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