AIM NC259 SN100C is a lead-free no-clean solder paste produced by AIM Solder in Canada. This solder paste is known for its excellent print adhesion time and fine-pitch printing quality, effectively reducing voiding and resulting in smooth, shiny solder joints¹.

1. Key Features

● Extended print adhesion time: Ensures stable soldering performance in complex production environments.

● Improved fine-pitch printing quality: Particularly suitable for applications requiring high-precision soldering.

● Reduced voiding: Optimized formulation effectively minimizes voiding issues during soldering.

● Smooth and shiny solder joints: Excellent wetting performance enhances the appearance of solder joints.

● Low post-solder residue: Maintains very low residue even under high-temperature conditions, making it easy to clean¹.

2. Application Areas

AIM NC259 SN100C solder paste is widely used in various electronic manufacturing fields, including but not limited to:

● Soldering of MiniLED and MicroLED components

● Small and/or complex chip connections in semiconductor assembly

● Micro BGA assembly

● Soldering of high-density interconnect (HDI) boards

● Applications requiring print apertures ≤ 70 μm

3. AIM SN100C Alloy Characteristics

AIM SN100C lead-free solder alloy offers excellent usability. Its main components include tin, copper, nickel, and germanium, with the ratio of these elements providing SN100C with a range of superior properties:

● Liquidus temperature of 227°C (441°F): Suitable melting point ensures a smoother soldering process.

● Smooth and shiny solder joints: Aesthetically pleasing appearance enhances overall product quality.

● No bridging during soldering: Reduces soldering defects and improves reliability.

● Low cost—silver-free: Compared to silver-containing alloys, SN100C is more cost-effective and economical.

● Slows copper corrosion rate in holes, pads, and slots: Extends the service life of electronic components.

● Dross rate similar to tin-lead alloys: Maintains good soldering processability.

● Complies with IPC J-STD-006 standard: Ensures stable and reliable soldering quality.