tag: Onto Innovation

Comprehensive Process Control Solutions For Through-Glass Vias
By Monita Pau - 12 Aug, 2025 - Comments: 0

At some point in our lives, we have dropped a drinking glass or knocked over a glass-blown knickknack, only to watch it hit the floor and shatter into pieces. We learn from any early age that glass is fragile. But if glass is so fragile, why are manufacturers adopting glass core substrates? Good question. And one that comes with a ready answer. Glass is able to meet the new, denser line-s... » read more

Metrology Under Pressure: Detecting Defects in Fine-Pitch Hybrid Bonding
By Gregory Haley - 12 Aug, 2025 - Comments: 1

As advanced packaging pushes deeper into the sub-10µm realm, traditional inspection and metrology systems are being forced to evolve with it. Hybrid bonding, a critical enabler of vertical integration and 3D system performance, relies on exceptionally tight alignment and defect-free bonding surfaces. But as interconnect pitch shrinks, even nanometer-scale variations in height, tilt, or cont... » read more

Chip Industry Week in Review
By The SE Staff - 08 Aug, 2025 - Comments: 1

Apple plans to increase its U.S. investment by an additional $100 billion over four years, which includes the launch of an advanced manufacturing supply chain program, spurring a number of related chip industry announcements, including: Apple will invest in Amkor's new packaging and test facility in Arizona as its first and largest customer, and Amkor will package and test Apple silicon pr... » read more

The Rise Of Panel-Level Packaging
By Laura Peters - 24 Jul, 2025 - Comments: 0

An insatiable demand for logic to memory integration for AI and high-performance computing is driving progress toward very large-format packages, which are expected to approach 10 times the maximum reticle size in the next few years. These assemblies are best developed using fan-out panel-level packaging, replacing today’s wafer carrier with a panel. Fan-out packaging enables substantially... » read more

Using Picosecond Ultrasonic Technology For AI Packages: Part 2
By Cheolkyu Kim - 10 Jul, 2025 - Comments: 0

Heterogeneous integration is a key enabler of today’s AI innovations. By bringing together multiple chips with different functionalities, a.k.a., chiplets, AI devices have been able to achieve tremendous performance gains. However, the heterogeneous integration of advanced packages has its own set of process control obstacles that must be addressed, including new interconnect challenges invol... » read more

How Advanced Packaging Is Reshaping Inspection
By Gregory Haley - 10 Jul, 2025 - Comments: 0

As semiconductor devices continue advancing into more sophisticated packaging schemes, traditional optical inspection technologies are brushing up against physical and computational boundaries. The growing reliance on 2.5D and 3D integration, hybrid bonding, and wafer-level processes has made it much harder to detect defects consistently and early enough to protect yields. While optical insp... » read more

Detecting Slips, Scratches, Cracks In Wafers And Dies Becoming Harder
By Anne Meixner - 10 Jul, 2025 - Comments: 0

Defect detection requirements on the order of 10 defective parts per million (DPPM) are driving improvements in inspection tools’ resolution and throughput at foundries and OSATs. However, defects that manifest as slips, scratches, and micro-cracks continue to bedevil the prevalent optical inspection methods. These defects can range in size from nanometers to millimeters, some of which are... » read more

Chip Industry Week in Review
By The SE Staff - 03 Jul, 2025 - Comments: 0

[Editor's Note: Early edition due to the U.S. July 4th holiday.] The U.S. government lifted export restrictions that barred Synopsys, Siemens EDA, and Cadence from selling EDA tools to China. In a statement, Synopsys said it received a letter from the U.S. Commerce Department immediately rescinding those restrictions. Siemens issued a similar statement. Which tools or hardware accelerated t... » read more

Front-End Technologies Are The New Back-End Tools: Using Picosecond Ultrasonics Technology For AI Packages, Part 1
By Cheolkyu Kim - 10 Jun, 2025 - Comments: 0

If you are a part of the semiconductor industry or simply someone interested in the field, you have likely heard what has become a common refrain: the back-end of the process is becoming more like the front-end of the process. In other words, the technologies that were once exclusively deployed in the first part of the process are being used to meet the increasingly stringent requirements of ad... » read more

Challenges In Using Sub-7nm ICs In Automotive
By Laura Peters - 10 Jun, 2025 - Comments: 0

The automotive industry is producing vehicles with increasing levels of real-time decision-making, enabled by thousands of ICs, sensors, and multi-chip packages, but making sure these systems work flawlessly throughout their expected lifetimes is a growing challenge. Automotive chips traditionally were developed at mature process nodes in five- to seven-year cycles, but much has changed over... » read more

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