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ACM Research Introduces Vacuum Cleaning Platform Targeting the Rapidly Growing Chiplets Industry

FREMONT, Calif., Sept. 12, 2023 (GLOBE NEWSWIRE) -- ACM Research, Inc. (ACM) (NASDAQ: ACMR), a leading supplier of wafer processing solutions for semiconductor and advanced wafer-level packaging applications, today, through its operating subsidiary ACM Research (Shanghai), Inc., introduced the ULTRA C v Vacuum Cleaning Tool to meet the unique flux removal requirements for chiplets and other advanced 3D packaging structures. The new tool, which was developed in collaboration with several key customers, has demonstrated excellent process performance with no flux residual remaining post-clean. ACM also announced that it has received a purchase order from a major Chinese manufacturer for the tool, which it expects to deliver in the first quarter of 2024.

Interest in modular chiplet technologies has grown rapidly as the semiconductor industry looks to alternative architectures for more powerful chips without shrinking the transistor size. This approach combines modular chiplets to form more complex integrated circuits to improve performance, reduce cost and offer increased design flexibility versus traditional monolithic chips. Chiplets are seeing increased adoption across the server, personal computer, consumer electronics and automotive markets.

“Chiplets represent a significant market opportunity within the semiconductor manufacturing industry, with unique challenges that we believe would be difficult to effectively address with more traditional cleaning technologies,” said Dr. David Wang, ACM’s President and Chief Executive Officer. “ACM has worked together with several key customers to address technical challenges to deploy chiplets, and to deliver differentiated tools to achieve the performance and throughput required for high-volume manufacturing. The ULTRA C v Vacuum Cleaning Tool fits this model, and once again expands our product portfolio to support emerging market opportunities.”

About the ULTRA C v Vacuum Cleaning Tool

ACM’s ULTRA C v Vacuum Cleaning Tool addresses the unique requirement of removing flux that is used after reflow as part of the advanced packaging process. As feature sizes of these devices continue to shrink, traditional cleaning under atmospheric pressure is no longer sufficient. By developing a tool that can clean under vacuum, surface wetting ability is improved for liquid to flow into very narrow spaces to fully remove flux residues within a reasonable cleaning time. For devices that require very high flux dipping, a saponification agent can be added to achieve a complete clean.

Forward-Looking Statements

Certain statements contained in this press release are not historical facts and may be forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “plans,” “expects,” “believes,” “anticipates,” “designed,” and similar words are intended to identify forward-looking statements. Forward-looking statements are based on ACM management’s current expectations and beliefs, and involve a number of risks and uncertainties that are difficult to predict and that could cause actual results to differ materially from those stated or implied by the forward-looking statements. A description of certain of these risks, uncertainties and other matters can be found in filings ACM makes with the U.S. Securities and Exchange Commission, all of which are available at Because forward-looking statements involve risks and uncertainties, actual results and events may differ materially from results and events currently expected by ACM. ACM undertakes no obligation to publicly update these forward-looking statements to reflect events or circumstances that occur after the date hereof or to reflect any change in its expectations with regard to these forward-looking statements or the occurrence of unanticipated events.

About ACM Research, Inc.

ACM develops, manufactures and sells semiconductor process equipment for single-wafer or batch wet cleaning, electroplating, stress-free polishing and thermal processes that are critical to advanced semiconductor device manufacturing, as well as wafer-level packaging. ACM is committed to delivering customized, high-performance, cost-effective process solutions that semiconductor manufacturers can use in numerous manufacturing steps to improve productivity and product yield. For more information, visit

© ACM Research, Inc. ULTRA C and the ACM Research logo are trademarks of ACM Research, Inc. For convenience, these trademarks appear in this press release without ™ symbols, but that practice does not mean ACM will not assert, to the fullest extent under applicable law, its rights to such trademarks.

Media Contact:
Company Contacts:
Shannon BloodUSA
KiterocketRobert Metter
+1 208-216-9180+1 503.367.9753  
 Xi Wang
 ACM Research (Shanghai), Inc.
  +86 21 50808868
 YY Kim
 ACM Research (Korea), Inc.
 David Chang
 +886 921999884
 Adrian Ong
 +65 8813-1107

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