StableTechnologyReported 2026-10-31 20:26

Longxin Technology completes engineering sample verification for the sixth-generation DRAM technology platform based on the 4F² architecture

In the third quarter performance briefing, ChangXin Technology revealed that its sixth-generation DRAM technology platform based on the 4F² architecture has completed engineering sample verification, and the fifth-generation process technology platform has achieved mass production. The company will gradually upgrade its product line in the future.

Why it matters. The technological progress of ChangXin Technology will enhance the performance of its products and market competitiveness, affecting the market structure of memory chips.

Who and what it touches

From CXMT

SK hynixcompetes with
DeepSeekinvests in
Hefeilocated in
4F² 垂直沟道 DRAM 架构uses
DRAMproduces
上证科创板综合指数member of
HBMsupply constraint
HBMcapacity constraint

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Evidence

IIT之家Media2026-10-31 20:26
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CcnBetaMedia2026-10-31 22:34
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Evidence record

How AiSeek assessed the claims behind this change, and on what evidence. It is a record of an assessment, not a certificate that a claim is true.

Claim 1

Class: Fact

Stated directly by a source, with the passage located.

Check: Completed
Assessment: Supported by the evidence
Still current: Current

Independence0 origins confirmed distinct · 1 not shown to be independent · 1 pieces of evidence

Receipt digestsha256:d2c6c9fe…b92530Check integrity

Then and now

When first published (2026-10-31)

Fact · Supported by the evidence · Current

Now

Fact · Supported by the evidence · Current

Claim 2

Class: Fact

Stated directly by a source, with the passage located.

Check: Completed
Assessment: Supported by the evidence
Still current: Current

Independence0 origins confirmed distinct · 1 not shown to be independent · 1 pieces of evidence

Receipt digestsha256:08773af9…c4ba70Check integrity

Then and now

When first published (2026-10-31)

Fact · Supported by the evidence · Current

Now

Fact · Supported by the evidence · Current

Claim 3

Class: Fact

Stated directly by a source, with the passage located.

Check: Completed
Assessment: Supported by the evidence
Still current: Current

Independence0 origins confirmed distinct · 1 not shown to be independent · 1 pieces of evidence

Receipt digestsha256:63986805…42121eCheck integrity

Then and now

When first published (2026-10-31)

Fact · Supported by the evidence · Current

Now

Fact · Supported by the evidence · Current

9 more claims are in the record.

The wording at first publication was not recorded, so it cannot be compared.

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