Redefining Wafer-Level Packaging Production with Heidelberg Instruments Flexible Direct Writing Technology

by Natasha Sufi

Heidelberg, Germany – Heidelberg Instruments, a global player in direct write technology and solution provider for the advanced packaging market, is transforming the semiconductor industry with its maskless laser lithography system, the MLA 300. Continuous and repeat orders of MLA 300 systems confirm Heidelberg Instruments' capabilities and customer satisfaction.

MLA 300 is increasing production capacity for wafer-level packaging providers.

Flexible designs, high throughput, uniformity, and yield are the basic requirements in the semiconductor industry. The MLA 300 Maskless Aligner meets all of these requirements and more, with its capability to expose a tailor-made design on each substrate to match the actual die locations. Unlike a fixed mask, the design data can be tailored and augmented before exposure, enabling yield improvements by compensating for line width bias due to processing or loading re-mapped designs that include die shift. In addition, serial number labeling and other dynamically generated, unique patterns can be added to each exposure.

The MLA 300 is optimized for industrial volume production and features distinct benefits such as full automation. The flexibility of maskless lithography allows rapid design customizations, even unique designs on each substrate, which can be updated automatically. This is particularly useful for chip packaging where mounted die shift due to the curing of a reconstituted wafer or panel. The MLA 300 system seamlessly integrates into wafer-level packaging production lines, fully automating production with a resolution down to 2 μm lines and spaces. Customers benefit from reduced production costs and efforts by eliminating mask procurement, verification, and management requirements. Operating costs are reduced by utilizing a long-lifetime exposure laser and fewer consumables. The modularity enables fast maintenance, replacement, or repair. Real-time autofocus compensates substrate warp or corrugations for flawless patterning.

“We are thrilled to witness this cutting-edge technology’s impact on the industry, and we’re excited that many important companies and groups are taking this journey with us. The MLA 300 is a game-changer in maskless lithography,” states Alexander Forozan, Head of Global Sales and Marketing at Heidelberg Instruments Group. “Its revolutionary features transform the production process, delivering unmatched precision and high throughput. So, whether you want to enhance productivity or streamline your operations, the MLA 300 is designed to exceed your expectations.”

Introduced into the market at the end of 2019, the MLA 300 Maskless Aligner is the first direct exposure system specially designed for industrial applications in advanced packaging, wafer-level packaging, electronics components, sensors, MEMS, and many more.

With continuous order intakes from leading wafer-level packaging providers in Asia, the Heidelberg Instruments MLA 300 Maskless Aligner has proven capabilities and customer satisfaction, making the company poised for growth in the demanding and fast-growing high-technology market.


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