semiconductor, chemical, blends

Looking For Semiconductor Chemical Blends?

Buffered Oxide Etchants (BOE)

Puritan Products blends buffered oxide etchants with or without surfactant. BOEs are available in poly bottles, poly pails, or poly drums. The most common BOE’s are available as well as custom mix ratios for your specific application. If you need a customized BOE, please see our custom services request form.

BOEs are available in the following ratios:

Ratio Assay (as NH4F) by weight% Assay (as HF) by weight%
5:1 32.0-34.0% 8.2-8.5%
6:1 33.5-35.5% 7.0-7.3%
7:1 34.3-35.3% 6.18-6.48%
9:1 35.0-37.0% 4.9-5.2%
10:1 35.5-37.5% 4.4-4.7%
11:1 35.6-37.6% 4.1-4.4%
20:1 37.5-38.5% 2.32-2.52%
30:1 37.7-39.7% 1.5-1.8%
40:1 38.5-39.5% 1.09-1.39%
50:1 38.7-39.7% 1.0-1.1%
Custom Custom Custom

 


Mixed Acid Etchants (MAE)

Mixed Acid Etchants, typically a mix of Nitric acid, Hydrofluoric acid, Acetic acid, and water, are blended to your specifications for your application. MAEs are available in poly bottles, poly pails, or poly drums. To request your customized MAE please see our custom services request form.


Dilute Hydrofluoric Acid (HF Dips)

Puritan Products dilutes hydrofluoric acid to your specifications.  Dilute HF is available in poly bottles, poly pails, and poly drums. The most common ratios of dilute HF are available as well as custom ratios for your specific application. If you need a customized HF Dip, please see our custom services request form.

Ratio Assay (as HF) by weight %   
5:1 9.1-9.3%  
10:1 4.8-5.0%  
20:1 2.62-3.00%  
40:1 1.35-1.45%  
50:1 1.05-1.15%  
100:1 0.52-0.60%  
Custom Custom  

 


Aluminum Etchants

Aluminum Etchants, a blend of Phosphoric acid, Nitric acid, Acetic acid, and water are customized to your specifications for your application. These etchants are available in poly bottles, poly pails, and poly drums. To request your customized Aluminum Etchant please see our custom services request form.


Customer Specified

Your Specifications. Your Package Choice. Your Time Frame.
Puritan Products has long term, proven contract manufacturing capabilities to major suppliers in the semiconductor industry. Our personnel have extensive experience in the manufacture of chemicals for the microelectronics industry. Furthermore, we have significant knowledge and understanding of the customer requirements in the semiconductor sector. In addition to manufacturing proprietary formulations and partnering with major semiconductor industry suppliers by becoming an extension of their manufacturing operations, we provide quality control method development techniques and have a fully equipped laboratory to perform all of the analysis required. Our quality control test methods are validated and accurate. To accommodate our partners in the semiconductor industry, we have developed custom toll manufacturing equipment that was designed and constructed in-house.

Our philosophy is to provide an open partnership environment with our contract manufacturing partners.

To inquire about our capability to produce your formulation, please see our custom services request form.

 
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