Supporting Products for BCB
Inquiry

As the demand for high-performance microelectronic materials continues to rise, benzocyclobutene (BCB) resins have become indispensable in applications requiring low dielectric constants, excellent thermal stability, and reliable processability. To ensure that BCB materials can achieve their full potential in advanced device fabrication, complementary processing materials play a critical role.
Recognizing these needs, Alfa Chemistry offers a dedicated portfolio of supporting products for BCB, designed to enhance adhesion, improve patterning accuracy, and maintain clean processing environments. Together, these auxiliary materials strengthen overall workflow efficiency and ensure consistent, high-quality results in semiconductor, MEMS, and optoelectronic manufacturing.
What We Offer
The BCB supporting products we can offer are as follows:
- Surface Adhesion Promoter
Achieving strong interfacial bonding between BCB films and various substrates is essential for preventing delamination, maintaining structural stability, and ensuring device reliability. Alfa Chemistry's surface adhesion promoter is specifically formulated to improve the compatibility of BCB resins with substrates such as silicon, glass, InP, and other III-V semiconductor materials. By enhancing surface wettability and forming robust chemical linkages, the adhesion promoter significantly reduces the risk of void formation and interfacial defects. This treatment is particularly valuable for multilayer build-ups, wafer-level packaging, and processes involving thermal cycling.
During spin-coating or patterning, excess BCB resin may accumulate at the wafer edges or spill beyond designated coating areas. If not properly removed, these residues can contaminate equipment, interfere with bonding, or affect downstream fabrication precision. Our company's resin cleaner provides an effective solution for removing unwanted BCB films without damaging the underlying substrate or altering functional layers. It ensures clean edges, minimizes particle contamination, and supports stable, repeatable processing conditions—an essential requirement for high-volume manufacturing and sensitive device structures.
- Developer for Negative Photosensitive BCB Resins
For patternable BCB formulations, development quality directly influences feature resolution, sidewall smoothness, and dimensional accuracy. Our company provides a developer specifically designed for negative photosensitive BCB resins, enabling efficient dissolution of unexposed areas while maintaining excellent selectivity. This developer supports fine-pitch photolithography, enabling precise micro-pattern formation required in interconnects, micro-optical components, and advanced packaging technologies.
Product List
| Name | Catalog Number | Features |
| Surface Adhesion Promoter | PR-BCB-0005 | It enhances the adhesion between BCB and various substrates, preventing delamination or interfacial defects. |
| Resin Cleaner | PR-BCB-0006 | It removes edge residues or excess BCB after spin coating, preventing contamination of bonding equipment or subsequent process areas. It is particularly suitable for wafer-level packaging processes. |
| Developer for Negative Photosensitive BCB Resins | PR-BCB-0007 | It has high solubility for unexposed BCB and is almost insoluble in the exposed area, ensuring high contrast graphics. |
By choosing Alfa Chemistry, customers gain access not only to high-quality BCB supporting materials but also to the technical expertise and reliable service essential for achieving stable, high-precision manufacturing results. With a strong commitment to product performance, process compatibility, and customer success, we strive to deliver solutions that enhance efficiency, reduce risks, and support the development of next-generation electronic technologies. We welcome partners who value quality and innovation to work with us.
Please kindly note that our products and services are for research use only.