Black Semiconductor
Converging Photonics and Electronics
134 employees · est. 2020 · Aachen, Germany
ChangXin Memory Technologies, Inc.
Enabling the information society and improving human lives with memory technology.
555 employees · est. 2017 · China
ChangXin Memory Technologies, Inc. is the older company (2020 vs 2017); ChangXin Memory Technologies, Inc. is the larger of the two.
Side-by-Side Comparison
| Metric | Black Semiconductor | ChangXin Memory Technologies, Inc. |
|---|---|---|
| Founded | ||
| Founded | 2020 | 2017 older |
| Headquarters | ||
| Headquarters | Aachen, Germany | China |
| Employees | ||
| Employees | 134 | 555 larger |
| Industry | ||
| Industry | AI, Manufacturing, Semiconductor | Manufacturing, Semiconductor |
| Funding Stage | ||
| Funding Stage | Grant | Series Unknown |
| Total Funding | ||
| Total Funding | $254.40M | $34.25B |
| Funding Rounds | ||
| Funding Rounds | 4 | 5 |
| Services | ||
| Services | Not tracked yet | Not tracked yet |
| Target Customers | ||
| Target Customers | Not tracked yet | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Semiconductor Manufacturing, Deep Tech, Graphene Technology, Integrated Photonics, Electronic Circuitry, Microchips, Innovation, Aachen, Germany, Tech Startup, Commercialization, Powerful Microchips, Photonic Integration, Advanced Materials, Fast-growing Company | Memory Technology, Semiconductor Manufacturing, DRAM Products, Integrated Device Manufacturing, Tech Innovation, Patent Filings, Chinese Technology Company, Mobile Devices, Consumer Electronics, Research And Development, Collaborative Culture, Information Society, Market Demand, Startup Spirit |
| Website | ||
| Website | blacksemi.com | cxmt.com |
About Black Semiconductor
Black Semiconductor is a promising deep-tech startup based in Aachen, Germany, that aims to revolutionize the semiconductor industry with its cutting-edge technology. Founded in 2019, the company specializes in manufacturing incredibly powerful microchips with integrated electronic photonic circuitr...
About ChangXin Memory Technologies, Inc.
ChangXin Memory Technologies, Inc. is a dynamic random-access memory (DRAM) semiconductor manufacturer, aiming to enable the information society and improve human lives with memory technology. Founded in 2016 and based in Hefei, Anhui, in eastern China, the company is a leading integrated design and...
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Compiled from the BounceWatch company index. We last looked at Black Semiconductor on 28 May 2026, and ChangXin Memory Technologies, Inc. on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.