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Lot Size Management in the Semiconductor Industry: Queueing Analysis for Cycle Time Optimization

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Abstract
In semiconductor manufacturing, production units (wafers) are transferred and processed in lots. While the current convention is a lot size of 25 wafers in semiconductor manufacturing, there has been much discussion about changing this standard to a smaller value. The principal motivation behind moving to smaller lot sizes is to decrease the average cycle time of a wafer. In this paper, we develop a simple queueing model to gain an insight into the relationship among cycle time, lot size, and the fab technology level. This analysis shows that, depending on the system parameters, moving to smaller lot sizes does not always yield cycle time improvements.

Index Terms—Cycle time, lot size, queueing approximation, queueing theory, semiconductor manufacturing

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Informasi Detail

Judul Seri

IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING, VOL. 26, NO. 1, FEBRUARY 2013

No. Panggil

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Penerbit

: IEEE., 2013

Deskripsi Fisik

IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING, VOL. 26, NO. 1, FEBRUARY 2013

Bahasa

English

ISBN/ISSN

0894-6507

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

VOL. 26, NO. 1, FEBRUARY 2013

Subjek

SEMIKONDUKTOR

Info Detail Spesifik

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Pernyataan Tanggungjawab

ETY

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