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Breaking Down a Negative Photoresist Developer in Layman’s Terms

A negative photoresist developer sounds complicated and highly technical. For anyone that uses such a chemical product, it is complicated in its makeup, but not in its use. To help put it into layman’s terms, here is the breakdown of what a negative photoresist developer is.

A Photoresist

This is a mask or device used to prevent light from touching a surface. An example of a photoresist process is using a mask cut in the shape of part of a photograph you want to avoid developing or developing as darkly as the rest of the photo. Photoresists are also used in electronics to prevent light from touching sensitive surfaces where you do not want the light to touch.

A Negative Photoresist

Photoresists come in negative and positive options. For negative resists, the chemical or device is used to block parts of the electronics before the whole product is “developed”. The result is spaces of undeveloped or underdeveloped material where the negative resist material was applied. Think of it as the space between or the space around, much like artists think of negative space in their art. That is what a negative photoresist does.

A Negative Photoresist Develop Chemical

Now that you have a good idea of what a photoresist and a negative photoresist do, you can probably figure out what a negative photoresist developer does. It causes the negative space to remain insoluble and able to resist the developer chemical. In so doing, it creates areas where the developer dissolves the unexposed material.

To get a demonstration or a better explanation, contact DisChem Inc. via

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