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SemiconSam

Jukan
Hundreds of paid subscribers

Semiconductors - technology - Korea Techs

Platform
Substack
PricingFreemiumPublishesTwice weekly
Issues56Foundeda year agoLast Issue5 months ago
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Latest Issues

Why did the memory chicken game keep repeating—and who ultimately survived?

I originally planned to write about Micron’s history.

But if the goal is to forecast the future from the past, it’s more accurate to dissect the memory industry’s chicken-game mechanics than to trace a single company’s timeline.

SemiconSa...

5 months ago
136

FII (Foxconn Industrial Internet) Expert Call

2026 Rubin / GB300 shipment outlook, and my view

Summary:

5 months ago
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Paid

GB300/TPU/Meta/Intel/Qualcomm Minutes

Possibly the spiciest thing I’ve ever posted

Before we begin,

6 months ago
7
Paid

Google TPU Expert Call script

Here’s the hottest TPU news in town — and it’s all non-public information.

Welcome, readers.

6 months ago
17
1
Paid

Copper Foil: Mitsui’s near-monopoly is creating a supply shortage — and an unexpected beneficiary is emerging

This article is based on SK Securities’ report dated November 20.


Before I begin the main text, I will first explain what “copper foil” is.

Copper foil is a thin copper sheet made by rolling, and it can be broadly divided into two...

6 months ago
22

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  • Jukan

    I’ve spent the past three years engaging with semiconductor professionals, gaining insights far ahead of the average. This has led to research offers from hedge funds and citations in outlets like Forbes.

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