Four ways to decapsulate semiconductor devices

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Abstract

Decapsulation is the removal of the component package without damaging the internal structure of the product and maintaining its functionality. The article discusses modern
methods of decapsulation of semiconductor devices, their advantages and disadvantages, and methods of application.

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About the authors

P. Varlamov

Компания «Глобал Микроэлектроника»

Author for correspondence.
Email: vpi@global-micro.ru

ведущий инженер

Russian Federation

References

  1. Kor H.B., Liu Q., Gan C.L. Sample Preparation for Deprocessing of 3D Multi-Die Stacked Package. // IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA). 2020. PP. 1–6.
  2. Obein M. 4 main decapsulation ways // Digit Concept, France. 2017.
  3. Брюхно Н.А., Дракин А.Ю., Котова М.Ю. Маска для декорпусирования устройств микроэлектроники в полимерном корпусе. Патент RU 199130 U1 (АО «Группа Кремний Эл»).
  4. Анашин В.С., Никольская Т.В., Сурнин В.Н., Яскин Ю.С. Способ декорпусирования интегральных микросхем. Патент RU 2 572 290 C1 (ОАО «ОРКК»).

Supplementary files

Supplementary Files
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2. Fig. 1. X-ray identification of the component

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3. Fig. 2. Manual mechanical decapsulation unit

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4. Fig. 3. The result of targeted chemical action on the microcircuit body

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5. Fig.4. Decapsulation setup of iAS777DC and examples of the results of acid etching of EMC compounds

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6. Fig. 5. Examples of laser decapsulation applications: a – opened ceramic microwave case; b – copper coil of RFID tag; c – removal of burnt SMD components

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7. Fig. 6. Opening a “window” with laser radiation

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8. Fig. 7. Combined laser-plasma action

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Copyright (c) 2025 Varlamov P.