Have you ever thought who the hell builds those minuscule Apple phone or TV parts?? Mind boggling isn't it. In the making of these parts photoresist is a main player. Photoresist: A component which is changed when its exposed to light It is a more magical paint that relys on light! A layer of photoresist is applied to a flat surface, and the light interacts with certain parts Those part being influenced by this light, changes them to produce small patterns. They are used to drive tracks and other electronic components that could be utilized in the right order of our equipment.
The photoresist has done its thing, and now it must be delicately peeled away. Introduce photoresist stripping溶液 We are even using it to supplant photochemical stinging too when you think about the unique recipe, Since both one for stressing and different a fluid acidic based blending demonstrating as solid general house keepers intended to be broadly open for surface level they apply.
The photoresist stripping solutions will be used to strip the photo resist in order to grind. This is a very key step as we will use the passivation you sent this out for since going to be required in that wherefore named: obligatively rendering stuff w.r.t. on / up-over our photomask front porch point, were done&gone; &）Companies then would have to re-surface every time (wasting materials and money You know…if you had a buy new paper each doodle instead of being able erase! That would be very wasteful.
We should also be mindful of how they could contribute to our environment as well, despite the fact photoresist standard stripping solutions are a staple material when fabricating electronics. However, some of these stripping solutions contain strong chemicals that may be harmful to human health and the environment if misused. For instance, improper disposal of the waste incurred from some of these solutions can lead to air and water contamination. It happens when chemicals leach to rivers or lakes and disturb the plants, animals there. Today, many companies resort to less toxic and more environmentally friendly alternatives for a greener option.
PhotolithographyThis is accomplished through a variety of photoresist stripping solutions that utilize the method, selected by stripper. A form of this solution is an alkali which dissolves the photoresist into much smaller part. Some solutions would be solvent based (where the photoresist is dissolved away sort of like sugar dissolving in water) and more recently some use natural things, like enzymes which are better for the image and kinder to mother earth.
The choice of the solution to use will depend on photoresist type and substrate. To go back to the soap metaphor, this would be like using a different bar of soap for dishwashing than you use on your hands. Many times electronic companies will actually poll-test several to determine which one removes the photoresist and leaves a sound surface beneath.
There are specific instructions to use photoresist stripping solutions safely in the workplace that all workers should strictly follow. For example, the solution it produces can be so caustic that workers may need to wear gloves and possibly goggles while using it. More of a helmet for yourself, really! Answers should be Retained Along with the Thrown away of all loss in addition to gunk from a room.
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