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In Situ Grown Whisker Coated Ceramic Structures via 3D Printing for Efficient Oil-Water Separation

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In Situ Grown Whisker Coated Ceramic Structures via 3D Printing for Efficient Oil-Water Separation

1.Overview In this work, we propose a ceramic 3D printing technology combined with in situ grown whiskers for efficient oil-water separation under various conditions, specifically including: (i) free oil/water mixtures; (ii) oil purification; and (iii) separation of water-in-oil emulsions. This 3D printing process can fabricate geometrically complex alumina ceramic bodies, such as honeycomb grids, sponges, … Read more

Cleanroom Requirements for Chip Packaging and Testing Areas

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Cleanroom Requirements for Chip Packaging and Testing Areas

　　The cleanliness requirements for chip packaging and testing areas vary based on specific process steps and product characteristics, typically ranging from ISO Class 5 (100-level) to ISO Class 7 (10,000-level). Below are the cleanliness level classifications and criteria for different areas; let’s explore this together with Hejie Technology Cleanroom Engineering Company! 1. Cleanliness Requirements for … Read more

The Importance of PCB Cleanrooms in High-Tech Manufacturing

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The Importance of PCB Cleanrooms in High-Tech Manufacturing

In today’s rapidly developing high-tech era, printed circuit boards (PCBs) serve as the fundamental components of electronic devices, and their quality and stability are crucial for the overall performance of electronic products. The production process of PCBs, especially the critical steps carried out in cleanrooms, is an indispensable part of ensuring their quality. This article … Read more