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Indium to Feature Products for HIA and SiP at IMAPS Boston
September 15, 2022 | Indium CorporationEstimated reading time: 1 minute
As an industry leader in innovative materials solutions for heterogeneous integration and assembly (HIA) and fine-pitch system-in-package (SiP) applications, Indium Corporation® will feature innovative material solutions designed to meet the evolving challenges of SiP and HIA at the 55th International Symposium on Microelectronics (IMAPS) from Oct. 3-6 in Boston, Mass., U.S.
Indium Corporation’s proven SiPaste® series is specifically designed for fine-feature printing with fine powders ranging from Type 5 to Type 8. They help Avoid the Void®, reduce slumping, and demonstrate consistent superior printing performance. Water-soluble SiPaste® 3.2HF has been adopted by leading OSATs and has been used in more than 5 billion mobile FEM SiP modules. The newly released SiPaste® C201HF offers the same superior printing performance with the benefit of having a cleanable chemistry with semi-aqueous-based solutions.
As the industry leader in no-clean semiconductor flux, Indium Corporation will also feature the first low-residue no-clean, ball-attach flux on the market, NC-809. NC-809 is a dual-purpose flux, engineered with high-tack characteristics for flip-chip applications and with adequate wetting power for ball-attach applications. This material is designed to hold die or solder spheres in place without risk of die shift or solder sphere movement during the assembly process.
NC-809 is designed to leave minimal residue after reflow, at the level of Indium Corporation’s proven ultra-low residue (ULR) flip-chip fluxes such as NC-26S and NC-699. NC-809 exhibits superior wetting performance and is the first ULR flux qualified for ball grid array ball-attach applications for packages that are sensitive to traditional water cleaning processes. NC-809 also improves production yields by eliminating costly cleaning steps which can increase substrate warpage both after reflow and before the underfilling steps, creating the potential for die damage and cracked solder joints.
NC-809 offers:
- High tackiness to eliminate die tilting or shifting during reflow; greatly reducing electrical open failures
- Consistent flux deposition and excellent wetting
- Ultra-low residue; ideal for customers building tight-pitch flip-chip assemblies
- Compatibility with a wide variety of underfills
- Reduced warpage of package and lower thermal stress due to absence of cleaning step
Download The Printed Circuit Assembler’s Guide to… Solder Defects by Christopher Nash and Dr. Ronald C. Lasky. You can also view other titles in our full I-007eBooks library.
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