Category

Epoxy Adhesive

UV/LED

Active Alignment Process in Optoelectronic Manufacturing

Active Alignment Process in Optoelectronics Active alignment is a precision assembly process used primarily in optical systems—such as camera modules, fiber-optic transceivers, LiDAR units, and photonic sensors—to ensure optimal coupling efficiency between optical components (e.g., lenses, lasers, fibers, photodiodes).Unlike passive alignment, which relies on mechanical tolerances and fiducial references, active alignment continuously monitors optical performance during assembly and adjusts the position of components in real time to achieve peak optical…
Paven Patel
October 8, 2025
UV/LED

Cationic vs Free Radical Reaction: Epoxies and Acrylate UV Cure Adhesives

Free-Radical Curing Mechanism Used for: Acrylates, methacrylates, unsaturated polyesters, styrenics, vinyl monomers. Initiation:Free-radical initiators (e.g., peroxides, azo compounds, or UV photoinitiators) generate radicals under heat or light.Example: R−O−O−R→ 2R⋅R-O-O-R  Propagation:The radical adds to a vinyl group (C=C), creating a growing chain radical. R⋅+CH2=CHX→R−CH2−CHX⋅R Termination:Two radicals combine or disproportionate, stopping growth. R⋅+R⋅→R−RR Very fast polymerization. Works with a wide variety of monomers. Common in UV-cure adhesives and 3D printing resins. Limitations:…
Paven Patel
October 3, 2025
ElectronicsEpoxy AdhesiveUV/LED

Active Alignment Adhesives

What is active alignment? Active alignment refers to the process of fine-tuning or precisely aligning components, typically optical or mechanical systems, while the system is actively operating. This method is commonly used in the manufacturing and assembly of high-precision devices, such as cameras, sensors, and optical instruments. In contrast to "passive alignment," where components are assembled based on predetermined measurements or templates, active alignment adjusts the components in real-time while…
Paven Patel
October 2, 2024
ElectronicsEpoxy Adhesive

Electrically Conductive Epoxy

Electrically conductive epoxy is a type of adhesive that not only bonds materials together but also conducts electricity. It is commonly used in various applications where both mechanical bonding and electrical conductivity are required. Here are some key points about electrically conductive epoxy: Composition and Types 1. Conductive Fillers: These epoxies typically contain conductive fillers such as silver, copper, nickel, or carbon. Silver is the most common due to its…
Paven Patel
June 18, 2024
ElectronicsUV/LED

Advantages of UV Cure Epoxy

Cationic epoxy, more commonly UV cure epoxy, refers to a type of epoxy resin system that cures through a cationic (positively charged) polymerization mechanism. Epoxy resins are polymers widely used in various industrial applications, including adhesives, coatings, and composites, due to their excellent adhesive properties, chemical resistance, and mechanical strength. In a cationic epoxy system, the curing process involves the reaction of epoxy groups (usually present in the resin) with…
Paven Patel
March 27, 2024
ElectronicsEpoxy Adhesive

Electrically Conductive Adhesive: Enabling Technologies in Electronics

If you’ve ever seen the inside of any modern electronic device, you’ll see the inner workings of advanced technologies held together with state-of-the-art adhesives. These adhesives are designed to help maintain the electrical current throughout the device, replacing bulky bonding methods such as solder. As such, electronic manufacturers are able to produce smaller, lighter, and more reliable devices using specially formulated electrically conductive adhesives. How Does an Electrically Conductive Adhesive…
Paven Patel
February 23, 2024
ElectronicsUV/LED

Active Alignment Adhesive: FLASHBOND UV-3720

Epoxyset, a leading manufacturer of epoxy adhesives, introduces its FLASHBOND UV-3720, a light and/or heat-curable cationic epoxy specifically designed for active alignment applications. These include camera modules, optical components, LiDAR (Light Detection and Ranging), and other ADAS (Advanced Driver Assistance Systems) assemblies used in automotive applications. During the optical assembly process of many components need to be positioned exactly and efficiently. Types of assemblies include lenses in cameras, CCD chips,…
Paven Patel
February 21, 2024
Epoxy Adhesive

Electrically Conductive Adhesives

Silver-filled epoxies are a type of electrically conductive adhesive that contains silver particles or flakes as a filler material within an epoxy resin matrix. These adhesives are designed to provide both electrical conductivity and strong mechanical bonding properties. They are commonly used in various applications, particularly in electronics and microelectronics, where a reliable and electrically conductive bond is required. Electrical conductivity of an adhesive is typically measured by its volume…
Paven Patel
October 6, 2023
Recent-newsEpoxy AdhesiveUV/LED

FLASHBOND UV-3607HT NOMINATED FOR PRODUCT OF THE YEAR

Epoxyset is proud to announce the nomination of its new UV/Heat cure epoxy, FLASHBOND UV-3607HT for Product of the Year at the Assembly Show 2021 in Rosemont, IL. This is second year (2019) Epoxyset has been nominated for this award. You can read the details from Assembly Show website here. Visit us at Booth 1811 at the Donald E. Stephens Convention Center in Rosemont, IL on Oct. 25-28 to learn…
Paven Patel
October 14, 2021
Epoxy AdhesiveFeatured Products

FLASHBOND UV-6502CL – Clear Light Curable Adhesive

CLEAR LIGHT CURABLE ADHESIVE Epoxyset presents FLASHBOND UV-6502CL, a water white clear light curable adhesive for bonding, coating and sealing. Typical applications in for high strength bonding in electronics and opto-electronics industries. UV-6502CL is a very versatile adhesive with many application uses. This low viscosity, light curable adhesive is an epoxy with low cure shrinkage and high clarity. UV-6502CL cures best at 310-380nm wavelengths and will cure in under 6-8…
Paven Patel
June 3, 2020