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Product Code ::RXSOL-60-6605-696
Categories: Lab Chemical-60
Product Short Description: TETRAMETHYL AMMONIUM HYDROXIDE SOLUTION 25%
Product Description:

Tetramethylammonium hydroxide solution (25 wt. % solution in water) may be used as a base for pH adjustment to obtain hexagonal mesoporous aluminophosphate (TAP). Tetramethylammonium hydroxide is a quaternary ammonium salt generally used as an anisotropic etchant for silicon due to its high silicon etching rate.

Product Application:

TMAH solution is widely used in the electronics industry as a developer or cleaner. TMAH is typically one of several ingredients in etching / stripping mixtures, although it may also be used as a pure chemical. It is often used in solution in water, and less frequently, in methanol.

Product Dose:

KOH and TMAH are anisotropic silicon etches, used to make V-grooves, membranes, and holes through wafers, as well as other devices. ... KOH is simply the hydroxide of potassium. TMAH is a organic hydroxide and stands for Tetramethyl ammonium hydroxide.

Product Note:

One of the industrial uses of TMAH is for the anisotropic etching of silicon. It is used as a basic solvent in the development of acidic photoresist in the photolithography process, and is highly effective in stripping photoresist.

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TETRAMETHYL AMMONIUM HYDROXIDE SOLUTION 25%

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