asm ad838 die bonder

ASMPT’s AD838 series is a widely recognized, high-speed, high-precision die bonder; it has become a classic model, particularly in the LED packaging sector. Even amidst the constant emergence of new models, it remains a popular choice for many manufacturers—especially when evaluating cost-effectiveness or expanding production capacity.

AD838 Series Model Overview

The AD838 is not a single model but a series. Understanding the specific variants helps in precisely matching equipment to requirements.

Features AD838 AD838L-G2 AD838L-Plus

Production Status Discontinued New model; currently in production New model; currently in production

Application Areas General ICs, discrete devices, etc. LED-specific LED-specific; includes Flip Chip capability

Placement Accuracy ±3μm ±10μm ±15μm (higher precision configuration optional)

UPH (Throughput) Process-dependent Up to 14,000 units/hour Higher (patented bonding head design)

Die Size 0.1mm – 10mm 0.15mm – 2.03mm Not specified

Substrate/Panel Size Not specified Length 60–300mm, Width 60–100mm Max. 300mm x 100mm

Adhesive Handling Supports silver paste, epoxy, DAF Dual dispensing (supports dot and line dispensing) Not specified

Note: Parameters such as UPH (units per hour) and accuracy may vary based on process conditions and die/substrate specifications. The data above represents typical values and is for reference only.

Core Technologies and Performance Highlights

High Precision and Flexibility: The equipment offers high placement accuracy of ±3μm @ 3σ. Its vision alignment system is software-controlled, allowing for flexible configuration based on varying die shapes, polarities, and circuit patterns.

Robust Process Compatibility: Compatible with various adhesive materials, including silver paste, epoxy, and DAF (Die Attach Film). The system utilizes dual dispensing technology, and models such as the AD838L series also support high-end Flip Chip packaging. Safety features ensuring system stability: The equipment is equipped with multiple safety mechanisms—such as pressure sensors, overheat protection, and both audible and visual alarms—to guarantee reliable long-term operation.

Core Applications and Market Value

Broad downstream application coverage: The AD838 and its variants support a wide range of packaging formats, including QFN, TQFP, and PLCC. In the LED sector, applications span from Chip-Scale Packages (CSP), COB LEDs, and ceramic substrates to RGB packaging, while also extending to advanced technologies such as SiP (System-in-Package), MCM (Multi-Chip Module), BGA (Ball Grid Array), and CSP (Chip-Scale Package).

High market liquidity and strong residual value: The AD838 series remains highly active in the secondary market; a search for "ASM AD838" yields numerous buy and sell listings. Units that have been in service for over a decade remain in active production and circulation.

Technological maturity and skilled workforce: Years of widespread use have fostered a large pool of personnel skilled in the operation and maintenance of the AD838. An abundance of operation manuals and technical tutorials is available on the market, facilitating easy deployment and maintenance.

Overall, thanks to its highly mature technology, impressive flexibility, and active secondary market, the AD838 series remains a compelling option for packaging production lines.