Knowledge Pack: Nanomechanical Testing of Thin Films

Application Note: Ultimate Solution for Ultra-Thin-Film Systems

^{RESOURCE TYPE: Application Note [PDF]
LENGTH: 2 pages}

^DESCRIPTION:
This application note explains the principles of nanoindentation as applied to thin films, including how hardness and elastic modulus are measured when substrate influence becomes significant, the relationships between indentation depth, deformation zone, and film thickness, and how these factors define both measurement capability and limitation in ultra‑thin systems. Depth‑dependent analysis approaches are used to demonstrate how intrinsic thin‑film properties can still be extracted, even when conventional “10% of thickness” rules are no longer practical.

_{READERS WILL LEARN:}

• How to measure thin film hardness and modulis using nanoindentation methods

• Why substrate influence emerges as a function of indentation depth

• How to determine whether the measurement reflects film properties, substrate properties, or a combination of both

• What measurement and analytical methods are used to extract intrinsic thin‑film properties from depth‑dependent data

Webinar: Thin Film Characterizations Applied in Semiconductor Industries

^{RESOURCE TYPE: Webinar
LENGTH: ~1 hour}

^DESCRIPTION:
In this expert‑led webinar, Bruker specialists demonstrate nanomechanical measurement of hardness, modulus, and adhesion in thin‑film systems. Using practical examples, the session shows how nanoscale mechanical response is evaluated and how measured properties are interpreted for real thin‑film materials.

_{VIEWERS WILL LEARN:}

• How hardness, modulus, and adhesion are measured in thin films at the nanoscale
• How nanomechanical testing is used within research and production characterization workflows

• When substrate influence begins to affect measured properties and how to account for it
• Why these measurements are critical for evaluating thin‑film performance and process variation
• What measurement results reveal about thin‑film performance, process variation, and reliability
  

Webinar: Thermomechanical Integrity of Thin Films and Nano-Interconnects

^{RESOURCE TYPE: Webinar
LENGTH: ~45 minutes}

^DESCRIPTION:
This expert‑led webinar examines how thin‑film mechanical properties translate into real thermomechanical behavior. The discussion connects measured properties such as modulus and hardness to stress development, deformation, and failure under thermal cycling and mechanical loading. Practical examples illustrate how thin films respond under combined conditions and how nanomechanical measurements are used to evaluate reliability in applied systems.

_{VIEWERS WILL LEARN:}

• How thin films deform under combined thermal and mechanical loading
• When and why thermomechanical stress leads to reliability concerns or failure
• How to interpret measured mechanical properties in the context of operating conditions
• What nanomechanical testing reveals about thin‑film integrity and performance
• How to use  nanomechanical measurements to evaluate reliability

Application Note: In-Situ Mechanical Testing of Semiconductor Devices

^{RESOURCE TYPE: Application Note [PDF]
LENGTH: 3 pages}

^DESCRIPTION:
This application note demonstrates how nanomechanical testing is performed inside electron microscopy environments to study mechanical behavior in semiconductor devices, with a focus on BEOL structures composed of layered thin films. Using in‑situ testing workflows, the note shows how localized loading is applied while imaging the material response, enabling direct observation of deformation, cracking, and failure in interconnect stacks and thin‑film interfaces. Representative examples illustrate how structural changes evolve under load and how these observations are correlated with measured force and displacement data.

_{READERS WILL LEARN:}

• How nanomechanical tests are performed in SEM/TEM environments to combine mechanical loading with real-time imaging

• When to use in‑situ testing to investigate failure mechanisms in interconnect stacks, interfaces, and layered thin‑film systems

• Why direct observation during loading is required to understand deformation and failure that cannot be captured through post-test analysis

• What these measurements reveal about thin‑film behavior, including deformation, cracking, interface response, and failure progression in semiconductor device structures
  

Application Note: Mechanical Characterization of Ultra-Low-k Dielectric Films

^{RESOURCE TYPE: Application Note [PDF]
LENGTH: 3 pages}

^DESCRIPTION:
This application note explores nanoindentation-based characterization of low‑k dielectric films, where low stiffness and limited thickness increase sensitivity to substrate influence and measurement conditions. Using wafer‑level measurement data, it shows how modulus and hardness vary across the film and how arrays of indents can be used to map spatial variation. The results illustrate how measured mechanical response relates to film integrity and reliability in device structures.

_{READERS WILL LEARN:}

• How modulus and hardness are measured in compliant thin films

• When substrate influence begins to dominate measured response in low‑k materials

• Why spatial variation must be evaluated using arrays of measurements

• What measured mechanical properties indicate about film reliability and performance

Application Note: Adhesion Testing of Photosensitive Insulators to Passivation Layers Under Controlled Humidity

^{RESOURCE TYPE: Application Note [PDF]
LENGTH: 3 pages}

^DESCRIPTION:
This application note details nanoscratch- and indentation-based adhesion testing of thin‑film interfaces under controlled humidity. By tracking critical load and delamination events during testing, it shows how adhesion strength is quantified and how environmental conditions influence failure behavior. The results demonstrate how interface response changes under moisture exposure and how controlled testing improves relevance to real operating conditions.

_{READERS WILL LEARN:}

• How critical load is used to quantify thin‑film adhesion

• When delamination occurs during scratch or indentation loading

• Why environmental conditions such as humidity influence adhesion and failure

• What adhesion measurements reveal about interface reliability
  

Application Note: Tape Test versus Nanoindentation for Thin Films and Coatings

^{RESOURCE TYPE: Application Note [PDF]
LENGTH: 2 pages}

^DESCRIPTION:
This application note compares traditional tape testing with quantitative nanomechanical approaches for evaluating thin‑film adhesion. Using side‑by‑side examples, it shows how nanoscratch and nanoindentation measurements identify critical load and failure events that are not captured by qualitative methods. The comparison highlights how quantitative techniques enable more reliable differentiation between coating systems and interface performance.

_{READERS WILL LEARN:}

• How nanoscratch and nanoindentation quantify adhesion using critical load

• When qualitative tape testing fails to differentiate coating performance

• Why quantitative methods are required for reliable comparison

• What adhesion measurements reveal about film-substrate interaction

Demo: Nanomechanical Analysis of Au Thin Film on Si

^{RESOURCE TYPE: Real-time technical demonstration
LENGTH: ~15 minutes}

^DESCRIPTION:
Bruker nanomechanical testing specialists use the TI 980 TriboIndenter to characterize the mechanical properties of a gold thin film on a silicon substrate. The session walks through instrument setup, highlights key features of the system — such as the dual‑transducer design for nanoindentation and nanoscratch testing — and demonstrates how different mounting configurations are used to accommodate a range of sample geometries. Using live measurement examples, the demo shows how test regions are defined, load functions are applied, and how resulting load-displacement data are collected and interpreted to determine hardness, modulus, and substrate influence.

_{VIEWERS WILL LEARN:}

• How to setup and run dynamic nanoindentation tests on thin‑film systems
• How to interpret load-displacement data

• What the collected data shows about thin‑film modulus, hardness, deformation behavior, and substrate influence