Fluxless TCB vs TCB
22 February 2025
As interconnection pitches shrink below 10µm for advanced logic and memory applications, fluxless TCB solves the issues that standard TCB encounters with the flux.
Table of Contents
Advanced packaging
Advanced packaging refers to the techniques used to package a microchip or semiconductor device in a compact and reliable way. Advanced packaging has become increasingly important in the semiconductor industry, as it enables higher levels of integration, reduces form factor, and improves electrical and thermal performance. Advanced packaging technologies are suitable for both logic and memory applications.
Advanced packaging involves the use of techniques such as wafer level packaging (WLP), 3d integration, through silicon via (TSV) and flip chip, among others. Wafer level packaging is a method in which the chips are packaged at the wafer level before they are separated. This technique enables higher throughput and lower cost compared to traditional packaging methods.
3D integration involves stacking multiple layers of chips vertically. The stacked chips are interconnected using TSVs, which are vertical interconnects that pass through the chip thickness. 3D integration enables higher performance in a smaller footprint, reducing the interconnect delay and power consumption.
Flip chip bonding, on the other hand, involves attaching the semiconductor device to a substrate by means of solder bumps. This technique is widely used in microprocessors, graphic processors, and other high performance ICs. Flip chip bonding enables higher performance and density compared to wire bonding.
In addition, advanced packaging also includes technologies such as system in package (SiP), fan out wafer level packaging (Fowlp), and embedded components. SiP involves the integration of multiple components, such as a microcontroller, sensors, and communication modules, onto a single package. FOWLP is a method in which the package size is reduced by redistributing the contacts from the silicon die to the package surface. Embedded components, such as capacitors and inductors, are integrated within the chip to improve performance and reduce the package size.
Advanced packaging technologies are essential in meeting the increasing demand for faster and more reliable electronic devices. The packaging technology used depends on the application and the performance requirements of the semiconductor device.
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