LINQBOND NCA-9121 | B-Stageable Epoxy Adhesive

Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

LINQBOND NCA-9121 | One-component Epoxy Adhesive

Main features

  • Excellent adhesion to various substrates
  • Non-conductive, electrically insulating formulation
  • Ideal for processes requiring flexibility

Product Description

LINQBOND NCA-9121 is a one-component, B-stageable, modified epoxy adhesive engineered for demanding semiconductor and microelectronic packaging applications. It offers a unique combination of performance and processing benefits. LINQBOND NCA-9121 is available in two colors: white and black. 

Recommended Curing Conditions

  • B-Stage Cure: Ramp from room temperature to 110℃ in 30mins + soak for 30mins @ 110 °C.
  • Final Cure: Ramp from room temperature to 185℃ in 30mins + soak for 90mins @ 185 °C.

Product Key Features

  • Optimized for backside wafer applications
  • B-stageable — enables tack-free handling after oven pre-cure, facilitating automated or manual die placement.
  • Excellent adhesion — forms strong bonds to a wide range of substrates, including diverse die surfaces and silver-plated leadframes.
  • Compatible with stencil or screen printing and cures with placement pressure.

Key Applications

  • Backside wafer applications
  • High-density packaging environments requiring reliable adhesion and electrical insulation.
Product Family

NCA-9121

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Catalog Product

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Product availability
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Packaging
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TDS, SDS & Technical Documents
  • LINQBOND NCA-9121
    English (Technical Data Sheet (TDS))
  • LINQBOND NCA-9121 SDS
    English (Safety Data Sheet (SDS))

Technical Specifications

General Properties
Appearance Appearance
White/Black
Work life @25°C Work life @25°C
24 hours
Physical Properties
Thixotropic index Thixotropic index
1.2
Viscosity Viscosity
31,000 mPa.s

Additional Information

Directions for Use

  1. Allow the product and container to reach room temperature before use. After removing from the refrigerator. 

  2. Set the syringes to stand vertically while thawing. Any moisture that collects on the thawed container should be removed.

  3. To prevent contamination of unused product, do not return any material to its original container.

  4. DO NOT re-freeze. Once thawed to 25°C, the adhesive should not be re-frozen.

  5. Wear appropriate protective equipment and minimize direct contact with the human body. Refer to the Material Safety Data Sheet (SDS) before use.

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