Assembly Design Rules Slowly Emerge


Process design kits (PDKs) play an essential in ensuring that silicon technology can proceed from one generation to the next in a manner that design tools can keep up with. No such infrastructure has been needed for packaging in the past, but that's beginning to change with advanced packages. Heterogeneous assemblies are still ramping up, but their benefits are attracting new designs. “Chi... » read more

An Innovative Hybrid Cleaning Approach For Contaminant Removal in Semiconductor Packaging


The growing demand for power semiconductors, which control large currents and voltages, has resulted in their widespread use in various electronic devices, including electric vehicles (EVs). The requirement for greater performance and smaller devices has led to increased operating temperatures for these power semiconductors. This rise in temperature poses a challenge as it often leads to delami... » read more

Global IC Fabs And Facilities Report: 2024


The chip industry made significant capital investments this year to build new fabs and facilities or expand existing premises. A number of sites were dedicated to SiC, GaN, DRAM, HBM, along with packaging and assembly by OSATs, and essential gases, chemicals, and other components. More than a dozen R&D centers were also established for 8-inch wafers, EUV, and advanced packaging. Investments... » read more

Screening For Known Good Interposers


Ensuring the quality of silicon and organic interposers is becoming harder as the number of signals passing through them continues to grow, fueled by more chiplets, higher processing demands, and more layers of devices assembled in a package. Interposers initially were viewed as relatively simple conduits. That perception has changed rather dramatically in recent years with the growing focus... » read more

What’s Next For Through-Silicon Vias


From large TSVs for MEMS to nanoTSVs for backside power delivery, cost-effective process flows for these interconnects are essential for making 2.5D and 3D packages more feasible. Through-silicon vias (TSVs) enable shorter interconnect lengths, which reduces chip power consumption and latency to carry signals faster from one device to another or within a device. Advanced packaging technology... » read more

Chip Industry Week In Review


Updated for 12/20 government fundings and 12/23 for China trade investigation announcements. President Biden announced a trade investigation into "China's unfair trade practices in the semiconductor sector."  The announcement stated "PRC semiconductors often enter the U.S. market as a component of finished goods. This Section 301 investigation will examine a broad range of the PRC’s non-m... » read more

Navigating Increased Complexity In Advanced Packaging


As chips evolve toward stacked, heterogeneous assemblies and adopt more complex materials, engineers are grappling with new and often less predictable sources of variation. This is redefining what it means to achieve precision, forcing companies to rethink everything from process control and in-line metrology to materials selection and multi-level testing. These assemblies are the result of ... » read more

Shortcutting Graduates’ Path To Productivity In Manufacturing And Test


Manufacturing, test, assembly, and analytics companies are finding unique ways to engage with universities in an effort to shore up the talent pipeline. The industry is recruiting graduates from universities across the U.S. while partnering with local institutes to serve specific needs. Industry/university co-operation includes: Mapping job descriptions Providing curricula frameworks... » read more

Analysis Of Multi-Chiplet Package Designs And Requirements For Production Test Simplification


In recent years there has been a sharp rise of multi-die system designs. Numerous publications targeting a large variety of applications exist in the public domain. One presentation [2] on the IEEE’s website does a good job of detailing the anecdotal path of multi-die systems by way of chiplet building blocks integrated within a single package [2]. The presentation includes references to a ha... » read more

HBM Options Increase As AI Demand Soars


High-bandwidth memory (HBM) sales are spiking as the amount of data that needs to be processed quickly by state-of-the-art AI accelerators, graphic processing units, and high-performance computing applications continues to explode. HBM inventories are sold out, driven by massive efforts and investments in developing and improving large language models such as ChatGPT. HBM is the memory of ch... » read more

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