Relevance: GS III (Science & Technology / Industrial Policy) | Source: Tech & Economy Editorials

1. The Context: A Strategic Milestone

Odisha recently laid the foundation for India’s first advanced 3D chip packaging unit in Bhubaneswar.

• The Project: A ₹1,934 crore facility led by US-based 3D Glass Solutions, approved under the ₹76,000 crore India Semiconductor Mission (ISM).
• The Output: It will manufacture advanced 3D glass substrates and integrated modules, shifting India from basic traditional manufacturing to cutting-edge technology.

2. The Technology: 2D Silicon vs. 3D Glass

• The Traditional Limit: Current semiconductor manufacturing relies on 2D flat silicon boards. However, we are reaching physical limits where we cannot shrink flat transistors any further without causing massive overheating .
• The 3D Solution: Instead of placing chips side-by-side, 3D packaging stacks them vertically (like building a skyscraper instead of a single-story house).
• The Glass Advantage: Glass is emerging as a vastly superior “substrate” (base layer) compared to traditional silicon. It manages heat better, allows for ultra-dense wiring, and consumes far less power.
• Heterogeneous Integration: This technique allows entirely different types of chips (like processors, memory, and sensors) to be vertically stacked into one single, highly efficient package.

3. Significance for the Administration

This project represents a massive strategic leap. Rather than just catching up with basic chip assembly, India is jumping straight into the future of computing. This ultra-dense, fast-computing hardware is essential for critical next-generation technologies like Artificial Intelligence (AI), 6G networks, and advanced defense electronics, ensuring India’s long-term strategic autonomy.

UPSC Value Box: Strategic Concepts

Key Concept / Term	Administrative Meaning for Exam
India Semiconductor Mission (ISM)	A specialized and independent business division under the Digital India Corporation designed to build a vibrant semiconductor and display ecosystem (initial outlay: ₹76,000 Crore).
Substrate	The foundational base material upon which semiconductor devices are built. The industry is currently researching a shift from legacy Silicon to Glass or Silicon Carbide (SiC).
OSAT	Outsourced Semiconductor Assembly and Test. Facilities that offer third-party packaging and testing services for raw chips.

With reference to the semiconductor manufacturing ecosystem and related government initiatives, consider the following statements:

1. The India Semiconductor Mission (ISM) operates with a primary focus on providing capital expenditure subsidies to establish fabrication and packaging facilities.
2. In semiconductor manufacturing, an OSAT (Outsourced Semiconductor Assembly and Test) facility is primarily responsible for the initial printing of nano-circuits onto raw silicon wafers.
3. Heterogeneous integration in 3D packaging allows multiple different semiconductor components, such as logic and memory chips, to be stacked vertically into a single module.

Which of the statements given above is/are correct?

(a) 1 and 2 only

(b) 1 and 3 only

(c) 3 only

(d) 1, 2 and 3

Correct Answer: (b)