News - Page 17 of 30

Cutting Methods for Crystalline Silicon Ingots

With the rapid development of clean energy, the goal of grid parity for photovoltaic power generation is also imminent. While various crystalline silicon manufacturers in the photovoltaic industry are continuously expanding their production capacity, they are also consistently reducing production costs, with the cutting of small silicon ingots being an important component of the cost of crystalline silicon solar cells. Key Takeaways Crystalline silicon ingots can be cut with inner-diameter blades, slurry wire saws or fixed diamond wire loops; diamond wire is...

January 3, 2025Industry NewsRead more...

Recycling Sapphire Kerf Waste: Research

Key Takeaways Sapphire wafers are about 0.2 mm thick — close to the diamond wire diameter — so roughly 40-50% of every ingot becomes cutting-waste powder washed away by coolant, and most of it has historically been landfilled. Analysis of washed, dried and sieved diamond-wire cutting waste shows alpha-alumina as the main component, with nickel (0.70%) and diamond (0.164%) as the main impurities. Ultrasound acid leaching beats conventional acid leaching for nickel removal: nickel falls to 0.009% at a 99.67% leaching ratio, and...

December 31, 2024Industry NewsRead more...

Resin Hardness vs Diamond Wire Loop Performance

Abstract: This study investigates the impact of different resin binders on the cutting performance of diamond wire loops. Resin-cured hardness samples were prepared using pure phenolic resin, epoxy-modified phenolic resin, and aromatic alkyl-modified phenolic resin, and their Rockwell hardness was tested. The fractured surfaces of the cured resin samples were observed using scanning electron microscopy, revealing varying levels of density post-curing. Diamond wire loops were then manufactured for single crystal silicon cutting experiments. The experimental results demonstrate that diamond wire loops...

December 27, 2024Industry NewsRead more...

Best Cutting Method for KDP Crystals

Introduction to KDP Crystals KDP crystals have a large nonlinear optical coefficient and a high laser damage threshold, making them important component materials in optical systems for high-energy engineering. KDP crystals belong to hard-to-process brittle materials, distinguishing them from traditional metal materials processing. Manufacturing Process of KDP Crystals The manufacturing process involves cutting into a rough shape and then a precision cut. Cutting is the first step in processing KDP crystal materials. Due to localized stress in the crystal blank, the entire crystal...

December 27, 2024Industry NewsRead more...

Cutting Fluid Impact on Diamond Wire Loop Quality

When considering the influence of cutting fluid on the cutting quality of diamond wire loops, several factors come into play. The choice of cutting fluid can significantly impact the efficiency and effectiveness of the cutting process. Here are some aspects to consider: The concept of cutting fluid： Cutting fluids, also known as cutting oils or coolant fluids, come in oil-based and water-based forms, serving multiple purposes such as cleaning, lubricating, and cooling during the machining process. These fluids are crucial in...

December 18, 2024Industry NewsRead more...

Alternatives to Circular Saw and Band Saw

Key Takeaways Diamond wire cutting is displacing internal circular saws and band saws in photovoltaic, crystal, silicon, magnetic materials and ceramic sectors because it cuts faster, safer and with less damage. Modern wire saw machines cut 1000mm-wide optoelectronic crystals without cracks, raising cutting efficiency eightfold and lowering the manufacturing cost of valuable crystals. The diamond cutting wire loop combines lightning-fast cutting speed with safety and durability, opening new fields beyond traditional sawing. Crystal producers are expected to phase out old circular and band saw...

December 12, 2024Company NewsRead more...

Custom Ultra-Large Diamond Wire Saw Machine

At Ensolltools, we take pride in our professional research and development team, capable of crafting customized solutions for our clients. Recently, our tailored ultra-large diamond wire saw machine has garnered significant acclaim, particularly in silicon cutting applications, with clients expressing high satisfaction. Customized machine display https://www.youtube.com/watch?v=Kzy_RECkG9U With over a decade of dedicated focus in the realm of cutting hard and brittle materials, be it in the photovoltaic industry, magnetic materials, stone cutting, or various crystalline structures, we have amassed a wealth of...

December 12, 2024Company NewsRead more...

Monocrystalline silicon2 - silicon ingot cropping

Single Crystal Silicon Ingot Processing Flow

Key Takeaways A single-crystal silicon ingot goes through cropping, diameter grinding, slicing, edge chamfering, lapping and polishing before it is ready for lithography. Surface accuracy at the slicing stage determines how much downstream planarization work is required. Diamond wire slicing is the standard way to turn an ingot into bare wafers with tight thickness variation and low sub-surface damage. In the single-crystal silicon wafer preparation stage, the silicon single-crystal ingots need to be processed into raw silicon wafers or barewa-fers with high surface accuracy...

December 4, 2024Industry NewsRead more...