{"id":815,"date":"2025-09-03T08:17:59","date_gmt":"2025-09-03T08:17:59","guid":{"rendered":"https:\/\/startersites.io\/blocksy\/landscape\/?p=815"},"modified":"2026-05-21T13:52:25","modified_gmt":"2026-05-21T05:52:25","slug":"malesuada-aenean-sodales","status":"publish","type":"post","link":"https:\/\/www.shandongcostone.com\/index.php\/2025\/09\/03\/malesuada-aenean-sodales\/","title":{"rendered":"Ammonium Sulfate (Electronic Grade) \u2013 Ultra-High Purity Chemical for Semiconductor & Microelectronics Manufacturing"},"content":{"rendered":"\n

Published for: Semiconductor Factories, Electronic Material Procurement, Wafer Processing Enterprises<\/strong><\/strong><\/p>\n\n\n\n

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Electronic Grade Ammonium Sulfate is an ultra-high-purity electronic chemical specially developed for the microelectronics and semiconductor industry. Different from conventional reagent grades, this product adopts ultra-purification technology to strictly control trace metal ions, particle impurities, and residual contaminants. It fully meets SEMI industry standards and is a critical auxiliary material for wafer cleaning, circuit etching, and electronic component surface treatment in high-precision semiconductor manufacturing processes.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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1. Key Product Specifications<\/strong>
Chemical Formula<\/strong>: (NH\u2084)\u2082SO\u2084
CAS Number<\/strong>: 7783-20-2
Ultra-High Purity<\/strong>: \u226599.99%
Total Trace Metal Impurities<\/strong>: \u226415 ppm
Micro-Particle Control<\/strong>: Zero large particle contamination, ultra-low suspended solids
Appearance<\/strong>: Colorless transparent crystals or white uniform granules
Stability<\/strong>: High thermal stability, no decomposition or impurity precipitation during high-temperature processing<\/p>\n\n\n\n

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2. Core Advantages<\/strong>
Electronic-grade ammonium sulfate features extremely strict trace metal control and high cleanliness<\/strong>. Harmful metal ions such as iron, copper, sodium, and potassium that may cause circuit short circuits and wafer defects are strictly limited to ultra-low levels. The product has uniform solubility, no residue, and excellent oxidation resistance, which can effectively remove oxide layers and micro-contaminants on the surface of silicon wafers without damaging the precision circuit structure. Batch stability and high consistency ensure zero difference in large-scale industrial production, greatly improving the yield rate of semiconductor chips and electronic components.<\/p>\n<\/div>\n<\/div>\n\n\n\n

3. Main Applications<\/strong>
Semiconductor Wafer Cleaning<\/strong>: Removes surface oxides, dust particles, and residual organic contaminants during wafer manufacturing to ensure wafer surface cleanliness.
IC Circuit Etching Auxiliary<\/strong>: Serves as an additive for etching solutions to adjust solution activity and improve etching uniformity and precision.
Electroplating for Electronic Components<\/strong>: Used as a conductive and stabilizing additive for precision electronic electroplating to enhance coating adhesion and flatness.
Microelectronics Surface Treatment<\/strong>: Applied in the surface purification and modification of circuit boards, chips, and optoelectronic devices to improve product stability and service life.<\/p>\n\n\n\n

4. Storage & Notes<\/strong>
Store in a constant-temperature, dust-free, dry clean room environment, isolated from acidic and alkaline pollutants. Use dust-free and moisture-proof packaging to avoid secondary pollution. Strictly follow electronic chemical operation standards during handling to ensure no particle or metal contamination. Keep sealed for long-term storage to maintain ultra-high purity.<\/p>\n\n\n\n

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