ISHII HYOKI IP300 Precision Inkjet Coating System
| Brand | ISHII HYOKI |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | IP300 |
| Pricing | Upon Request |
Overview
The ISHII HYOKI IP300 Precision Inkjet Coating System is an industrial-grade, non-contact deposition platform engineered for high-accuracy, low-waste functional material patterning on semiconductor wafers, lead frames, and other microelectronic substrates. Based on piezoelectric drop-on-demand (DOD) inkjet technology, the IP300 delivers spatially resolved, digitally controlled fluid dispensing without mechanical contact—eliminating shear-induced stress, substrate deformation, or edge-bead effects common in spin coating. Unlike conventional methods, the system deposits material only where required, enabling precise layer formation for redistribution layers (RDL), photoresist-based 3D structures, electroplating masks, temporary bonding adhesives, and encapsulation sealants. Its modular architecture supports integration into cleanroom environments and hybrid process lines, with native compatibility for both rigid and topographically complex substrates—including warped wafers, stepped dies, and textured lead frames.
Key Features
- Thickness uniformity ≤ ±3% across 10 µm nominal films, verified via profilometry and optical interferometry
- Zero-contact deposition preserves substrate integrity—no centrifugal force, vacuum chucking, or thermal distortion during coating
- Material utilization efficiency up to 99%, significantly exceeding spin coating (~80%) and reducing consumable cost per wafer
- On-demand fluid handling: ink remains sealed in inert reservoirs until jetting; minimized air exposure prevents solvent evaporation, oxidation, or premature crosslinking
- Adaptive Z-axis compensation enables consistent droplet placement on substrates with surface topography variations up to ±150 µm
- Modular curing interface supports seamless integration of three independent post-deposition systems: hot plate (up to 200 °C), vacuum-controlled drying (VCD), and narrow-spectrum UV-LED (365 nm or 395 nm)
Sample Compatibility & Compliance
The IP300 accommodates substrates ranging from 4″ to 8″ wafers (G7.5/G10 compatible), lead frames up to 300 mm × 300 mm, and irregular-shaped components with height deviations ≥ ±100 µm. It handles a broad viscosity range (1–30 mPa·s) and surface tension profiles typical of acrylic, epoxy, polyimide, and photo-definable dielectrics. The system operates within ISO Class 5–7 cleanroom specifications and complies with JIS B 7021 (industrial inkjet performance testing) and SEMI S2/S8 safety guidelines. Process logs—including jetting parameters, environmental conditions, and stage positioning—are timestamped and exportable to support GLP/GMP documentation requirements.
Software & Data Management
Controlled via ISHII HYOKI’s proprietary Windows-based software suite, the IP300 provides real-time monitoring of waveform stability, drop velocity, and nozzle health diagnostics. Pattern definition uses industry-standard Gerber RS-274X or ODB++ formats, with built-in alignment mark recognition (via integrated coaxial camera) achieving ≤ ±2.5 µm overlay accuracy. All process recipes are password-protected and version-controlled; audit trails comply with FDA 21 CFR Part 11 for electronic records and signatures. Data export supports CSV, TIFF (for grayscale intensity mapping), and HDF5 for metrology integration with third-party inspection tools.
Applications
- Redistribution layer (RDL) formation for fan-out wafer-level packaging (FOWLP)
- Conformal insulation coatings on heterogeneous 3D IC stacks
- Stencil-free photopatternable resist deposition for electroplating seed layer definition
- Temporary adhesive application in wafer debonding processes (e.g., carrier wafer bonding)
- Edge-sealing and cavity-filling for lead frame encapsulation in power modules
- Roll-to-roll compatible patterning on flexible metal foil or polymer substrates (optional R2R module)
FAQ
What substrate flatness tolerances does the IP300 support?
The system compensates for Z-height variations up to ±150 µm using dynamic focus tracking and closed-loop stage feedback.
Can the IP300 handle UV-curable resins with high solid content?
Yes—provided viscosity remains within 1–30 mPa·s at jetting temperature and particles are <0.5 µm filtered; optional inline degassing and temperature-controlled reservoirs are available.
Is the software validated for regulated environments (e.g., automotive or medical device manufacturing)?
The core control software includes IQ/OQ documentation templates and supports 21 CFR Part 11-compliant user access controls, electronic signatures, and change management logs.
How is nozzle clogging mitigated during extended idle periods?
Automatic purge cycles, solvent flush protocols, and pressurized reservoir sealing minimize nozzle drying; predictive maintenance alerts trigger based on acoustic emission monitoring.
Does ISHII HYOKI provide application engineering support for process transfer?
Yes—qualified field application engineers conduct on-site feasibility studies, material qualification, and DOE-based parameter optimization prior to system commissioning.
