Infineon’s December 2000 commitment of $30 million to Ramtron was a strategic minority investment, not a takeover bid. Contemporaneous reports said the deal would give Infineon about 20% of Ramtron, while a reciprocal cross-license gave each company access to the other’s ferroelectric RAM (FRAM) technology.
What Infineon’s $30 million bought
EDN reported on December 18, 2000, that Infineon had taken a 20% stake in Ramtron, paying $10 million in cash and $20 million in Infineon stock. Ramtron was to issue approximately 4.43 million shares in two stages. EE Times had reported the same cash-and-stock structure and an approximately 20% stake on December 14, 2000. EDN’s report and EE Times’ account describe the contemporaneous announcement.
The investment had two distinct components: equity capital for Ramtron and access to technology for both companies. Under the cross-license, Infineon gained access to Ramtron’s FRAM technology, while Ramtron gained access to certain Infineon FRAM fabrication technologies. Infineon was not simply buying shares; it was also securing a route to work with the technology and manufacturing knowledge of a specialist partner. Infineon’s 2001 annual report later described the investment and technology arrangement.
Why FRAM was strategically interesting
FRAM, or ferroelectric RAM, is nonvolatile memory: it retains stored data when power is removed. That property made it relevant to devices that need to preserve information without continuous power. A 2000 report by The Register named power meters, smart cards, test instrumentation, factory automation, laser printers and security systems as possible applications. Those are examples cited at the time, not a claim about present-day adoption or market size. The Register’s 2000 account provides that contemporary context.
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Infineon’s memory chief Harald Eggers expressed the company’s outlook at the time: “FRAM memory technology has matured significantly over the last 12 months, and we feel it holds particular promise in the future of the semiconductor market.” The cross-license paired that interest in Ramtron’s technology with access to Infineon’s fabrication know-how, making the agreement a technology relationship as well as a financial one. EE Times reported the quotation.
Why announcement and accounting dates differ
The December 2000 reports covered the public announcement and its stated dollar value. Infineon’s later filings describe the acquisition in financial-reporting terms, with dates and currencies that do not match the announcement exactly. They should be attributed to the relevant filings rather than collapsed into one supposedly definitive date.
| Source and period | What it records |
|---|---|
| EDN and EE Times, December 2000 | Announced investment of $30 million for approximately 20% of Ramtron: $10 million cash and $20 million in Infineon shares. |
| Infineon 2001 annual report | Acquisition of approximately 20% in February 2001 for approximately $30 million, including shares valued at €20.8 million. |
| Infineon 2002 Form 20-F | Acquisition of a 20.1% interest in March 2001 for total consideration of €31 million: 443,488 ordinary shares and €11 million cash. |
The 2001 annual report and 2002 Form 20-F are Infineon’s later accounting descriptions; their February and March dates differ. The original $30 million figure was the reported announcement value, while the filings give euro valuations and accounting-period detail. The 2001 annual report and Infineon’s 2002 Form 20-F are the sources for those later figures.
Was it a takeover?
No. The transaction was described as an approximately 20% investment, and Infineon later stated in a 2006 SEC filing that it had not acquired its original Ramtron stake with the intention of taking control. That filing also says Infineon contributed the shares and a warrant to Qimonda as part of the carve-out of substantially all of Infineon’s Memory Products business. It reported Qimonda beneficial ownership of approximately 19.2%, based on Ramtron management’s share-count representation as of August 4, 2006. That is a dated ownership snapshot, not the original deal percentage. The 2006 Schedule 13D/A records the later disclosure.
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What happened to the investment and the companies later
Infineon’s 2002 Form 20-F says it recorded a €9 million impairment charge on the Ramtron investment in fiscal 2002 because the decline in market value was considered other than temporary. That is an accounting write-down; it does not, on its own, establish that the FRAM technology relationship ended. Infineon’s filing gives the impairment context.
Ramtron later entered a separate transaction with Cypress. A 2012 joint release filed with the SEC valued Cypress’s transaction at approximately $109.8 million, excluding assumed debt and options and including shares Cypress had already acquired. This later deal is distinct from Infineon’s 2000 investment. The 2012 release filed with the SEC states its valuation basis.
In a separate, much later development, Infineon announced on September 16, 2026, that Winbond had agreed to acquire Infineon’s NOR Flash and F-RAM business in an all-cash transaction valued at $1.12 billion on a cash- and debt-free basis. Infineon said it would retain other specialty memory solutions, including SRAM, HYPERRAM, nvSRAM and radiation-hardened SONOS memory. The announcement describes an agreement, not a confirmed closing; it should not be read as a continuation of the original Ramtron investment. Infineon’s September 2026 announcement provides the terms and retained-business details.
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