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400PRS Series

Lefiq-400PRS Series (410PRS, 420PRS, 430PRS), Positive Photoresist Stripper

Description:

Lefiq-400PRS Series are pre-mixed combination of two photoresist stripper chemicals with a pH close to 14.

Application:

These photoresist stripper chemical products could be used in cleaning of any electronic device where metal lines which are sensitive to pH (such as Aluminum) are absent. These products are utilized in stripping highly baked photoresist materials, or very thick photoresist films.

Cleaning process:

  • Process temperature has to be maintained between 60 to 70 degrees C.
  • Mechanically agitating the cleaning solution or performing the cleaning process within a Sonication system is highly recommended.
  • It must be noted that the effective concentration of these photoresist stripper products increases from Lefiq-410PRS to Lefiq-430PRS.

 

Lefiq-410PRS (Positive Photoresist Stripper)

Combination of two organic solvents within Lefiq-410PRS products are the main cleaning power for these lines of products.  This photoresist products could be applied in situations where thick photoresist cleaning might be needed.  A process temperature (up to 65-70C) and agitating process during cleaning process are required. For more information please contact us.

Lefiq-420PRS (Positive Photoresist Stripper)

Combination of two organic solvents within Lefiq-420PRS products are the main cleaning power for these lines of products.  This photoresist products could be applied in situations where thick photoresist cleaning might be needed and high temperature (up to 65-70C) and agitating process are required. For more information please contact us.

Lefiq-430PRS (Positive Photoresist Stripper)

Lefiq-430PRS has the same characteristics as of Lefiq-420PRS but with a higher swelling and dissolution properties. This type of photoresist can be used for thick photoresist cleaning where application of moderate temperature is needed. The recommended cleaning temperature for this photoresist is in the range of 60-65C with agitating process. For more information, please contact us.