Slit Coating

Slit Coating

Slit Coating Method

Possibility to coat the whole surface pattern by changing the length of the slit die

Curved Surface - SC07 Type

optic-bonding-optical-bonding-slit-coating-curved-surface-sc07-type

Slit coats on concave and/or convex and flexible surfaces as well as flat

Features

  • Stage conveys a part and slit die rotates to angle according to part’s shape

Optimized slit die

  • Design for maintenance
  • Optimal degasing design
  • Suitable for high viscosity resin
  • Resin leakage prevention structure
  • Optimal inner pressure design
  • Optimal lip design
  • Gap adjustment mechanism

Specifications

Item
Specification
Remark
Table Size
(W)300mm x (D)600mm
Target Size
Small size~15inch
Flat and Curved
(Assumption: R500~ R1000)
Coating Thickness
50µm-800µm
Value with Flat Surface
Coating Thickness Accuracy
50µm-100µm: ±10µm
100µm-800µm:±10%
Value with Flat Surface
Value with Flat Surface
Slit Nozzle Coating Width
Max: 200mm
Slit Nozzle Mobility Width
Mobility range: ±30°
(Equivalent to R500)
Work Piece Suction Method
Vacuum
Workable Viscosity
1000~150000mPa・s
optic-bonding-optical-bonding-slit-coating-curved-form-curved-cover-lens-film-touch-sensor

Curved-surface Coater

By adding a rotation function, it is possible to apply coating to a shape other than a flat surface

optic-bonding-optical-bonding-slit-curved-head
Curved
Surface
Curved Free Form
Flat
Surface

Curved Free-Form

Play Video

Coating width variable slit coater

  • Automatically product type change over
  • Free-formed Coating

Coating width variable mechanism

  • Possible to continuously vary coating width in operation
  • Structure to prevent resin leakage
  • Gap switching is possible with shim

Coating a curved surface is possible

  • Coating on Concave and/or Convex surface
  • Control to make the die perpendicular to the coated surface

Specifications

Item
Specification
Remark
Table Size
(W)300mm x (D)600mm
Target Size
Small size~15inch
Flat and Curved
(Assumption: R500~ R1000)
Coating Thickness
50µm-800µm
Value with Flat Surface
Coating Thickness Accuracy
50µm-100µm: ±10µm
100µm-800µm:±10%
Value with Flat Surface
Value with Flat Surface
Slit Die Coating Width
Variable width: 100~200mm
Extensible
Slit Die Swing area
Swing range: ±30°
(Equivalent to R500)
Work Piece Suction Method
Vacuum
Workable Viscosity
1000~150000mPa・s
optic-bonding-optical-bonding-curved-free-form

Multi-Device

Play Video

Improvement of productivity

  • Reducing the preparation time to change the coating width, high-mix low-volume production is enabled
  • The changeable nozzles can digitally set the coating width with its unique nozzle structure. This greatly contributes to improving the productivity and the use efficiency of material

Improvement of use efficiency of material

  • When changing the coating width, disassembly and cleaning are not required; besides material loss is reduced

Specification of demonstration machine

optic-bonding-optical-bonding-slit-coating-flash-setup
Item
Specification
Remark
Coating width
100~200mm
Extension available
Resin thickness
50μm-800μm
Resin thickness precision
50μm-100μm: ±10μm
100μm-800μm: ±10%
Available viscosity
1,000~15,000mPa・s

In-house comparison with conventional machine

Conventional machine: Shim exchange 180 min.
Multi-Device Slit Coater: Motor exchange within 1min.

Task
In case of using each head matching the model
In case of using Multi-Device Slit Coater
Removal of head
4min
No need
Disassemble of head and cleaning
No need
No need
Re-assemble of head (Exchange of shim)
No need
No need
Set up of head
5min
No need
Replacementand degas of resin
5min
It’s necessary in advance to refill the resin in the replaced head
No need
GAP
Confirmationand adjustment of GAP
3min
No need
Change of operation recipe
Recipes are automatically switched based on model information from external devices such as barcodese
Recipes are automatically switched based on model information from external devices such as barcodes
Confirmation of coating conditions
5min
(It depends on the items to confirm)
5min
(It depends on the items to confirm)
Total
22min
5min

Slit Coater - SC02

optic-bonding-optical-bonding-slit-coating-sc02

Features

  • Designed to coat the resin to the glass substrate by slit process
  • The loading and unloading of workpieces are done by operator

Specifications

Item Specifications Remark
Machine size W1200 x L1550 x H2000, 800kg  
Utility AC200-220, 3Φ, 30A, CDA, Vacuum  CDA(for resin feed ) Vacuum(for Chucking)
Substrate Max 420mm x 300mm x t0.5-20mm
Unit Slit die Width: Max. 400mm  
Stage drive By servo motor, speed control: 3-400mm/sec  
Resin pump Gear Pump: Viscosity: max 6,000cp (Option) Heishin pump
(Viscosity max 1,000,000cp)
Cleaning Unit Roller Type  
Gap Control Gap Control by substrate thickness sensor  
Coating spec. Thickness 50~300um (ING record)  
Uniformity +/-10%(ING record)  
UV-Cure LED Type, 405nm, L400mm (Loctite 97668, x5set)
Resin supply Tank x2
Ctrl, Mam-Machine Interface PLC, Touch panel
Coating condition setting * Start point:Gap, Speed, Resin feeding volume, timing * Middle point:Gap, Speed, Resin feeding volume * End point:Gap, Speed, Resin feeding volume,

Flat-surface Coater

optic-bonding-optical-bonding-slit-head
optic-bonding-covid

NOTIFICATION