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Explore BEOL interconnect physics — copper dual-damascene, barrier/seed layers, electromigration, and RC delay scaling. Learn how metallization schemes evolve from 28nm through 7nm and beyond.

56 articles
40nm BSI CMOS Image Sensor metal-five interconnect integration process flow14nm FinFET contact trench integration process flow28nm Planar contact formation process flow7nm FinFET contact-via integration process flow40nm BSI CMOS Image Sensor via-one integration process flow40nm BSI CMOS Image Sensor metal-three interconnect integration process flow

Related Process Flows

7nm FinFET7nm714 steps14nm FinFET14nm362 steps28nm Planar Flow28nm266 steps

Technical Blog

Deep dive into the physics and integration logic of semiconductor manufacturing

InterconnectAug 11, 20265 min read

40nm BSI CMOS Image Sensor Metal-Five Interconnect Integration: Process Flow Principles and Integration Logic

Role in the Complete Flow In a 40nm backside illumination (BSI) complementary metal-oxide-semiconductor (CMOS) image sensor, the metal-five (MET5) interconnect

InterconnectAug 11, 20265 min read

14nm FinFET Contact Trench Integration Process Flow: Physics, Mechanisms, and Module Dependencies

Role in the Complete Flow The 14nm contact trench integration module occupies a critical transitional position in the overall FinFET fabrication sequence, bridg

InterconnectAug 11, 20265 min read

28nm Planar Contact Formation Process Flow: Integration Principles, Mechanisms, and Module Dependencies

Role in the Complete Flow In the 28nm Planar process flow, the contact formation module occupies a pivotal position: it bridges the front-end-of-line (FEOL) tra

InterconnectAug 11, 20265 min read

7nm FinFET Contact-Via Integration Process Flow: Principles, Mechanisms, and Module Dependencies

Role in the Complete Flow The 7nm FinFET contact-via integration module occupies a pivotal position in the overall process sequence: it bridges the front-end-of

InterconnectAug 11, 20265 min read

40nm BSI CMOS Image Sensor Via-One Integration: Process Flow Principles and Device Physics

Role in the Complete Flow In the 40nm BSI CMOS Image Sensor process flow, the via-one (V1) integration module serves as the first vertical interconnect bridge b

InterconnectAug 11, 20265 min read

40nm BSI CMOS Image Sensor Metal-Three Interconnect Integration: Process Flow Principles and Device Physics

Role in the Complete Flow In the 40nm backside illumination (BSI) complementary metal-oxide-semiconductor (CMOS) image sensor fabrication sequence, the metal-th

InterconnectAug 11, 20265 min read

7nm FinFET Metal-Two Interconnect Integration: Process Flow Principles and ESL Deposition Mechanics

Role in the Complete Flow The metal-two (M2) interconnect module in a 7nm FinFET process flow occupies a critical position in the back-end-of-line (BEOL) archit

InterconnectAug 11, 20265 min read

14nm FinFET Metal-Two Interconnect Integration: Process Flow, Physics, and Module Dependencies

Role in the Complete Flow In a 14nm FinFET logic technology, the metal-two (M2) interconnect module occupies a pivotal position in the back-end-of-line (BEOL) s

InterconnectAug 11, 20265 min read

40nm BSI CMOS Image Sensor Bond-Pad Integration: Process Flow Principles and Integration Logic

Role in the Complete Flow In a 40nm BSI CMOS Image Sensor, the bond-pad integration module sits at the top of the back-end-of-line (BEOL) interconnect stack and

InterconnectAug 11, 20265 min read

40nm BSI CMOS Image Sensor Via-Four Integration Process Flow: Physical Mechanisms, Integration Logic, and Failure Propagation

Role in the Complete Flow The 40nm BSI CMOS Image Sensor via-four integration process flow occupies a critical position in the back-end-of-line (BEOL) interconn

InterconnectAug 11, 20265 min read

40nm BSI CMOS Image Sensor Metal-Six Interconnect Integration: Process Flow Principles and Integration Logic

Role in the Complete Flow In a 40nm BSI CMOS Image Sensor process flow, the metal-six (MET6) interconnect module serves as one of the uppermost wiring tiers, br

InterconnectAug 11, 20265 min read

40nm BSI CMOS Image Sensor Sensor and Logic Wafer Bonding Process Flow: Integration Principles and Physical Mechanisms

Role in the Complete Flow In the 40nm BSI CMOS Image Sensor architecture, the sensor and logic wafer bonding module — often referred to as the BOND module — ser

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SemiFlows

Semiconductor process knowledge — flow visualization + Flow-aware, evidence-linked Q&A

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