Custom Inspection Video Microscope with High Magnification


  • Customized inspection video microscope
  • Upright viewing of a microfluidic sample, MEMS device, electronic parts at any size
  • Fixed sample position, with movable optics (objective lens, camera, …)
  • Reflected brightfield illumination by white LED, optional polarization, darkfield and epi-fluorescence
  • 5x, 10x, 20x, 40x, 50x obj lenses
  • Higher working distance
  • High-Speed Camera with minimum 5-15 microseconds exposure time
  • BioStitch-500 supported camera is preferable.

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BVM500 Custom Inspection Video Microscope

BVM500 Custom Inspection Video Microscope with High Magnification

Bioimager has various designs of custom microscopy products for inspection of parts, devices, equipment from top or bottom views. BVM500 is one of thewas designed to meet special requirements of a client.

Client’s Story

In this specific case, the client requested a movable inspection video microscopy system to visualize some phenomena occur inside a microfluidic chip. Most of microfluidic chips and MEM devices use an inverted biologicla microscope, like that of cell culture, with brightfield, phase contrast, darkfield and fluorescence imaging. There are some special application that a microfluidic device or MEMS is designed in a way that it has some connections and control plugins form the bottom. Thus the observation needs to be done from top, i.e. an upright microscope is required. When an upright industrial is used, then reflected light from top allows easy observation in brightfield, darkfield, polarization, DIC Nomarski and epi-fluorescence modes. In this case a mechanical XY stage moves the device in X, or Y direction and lifts up/down the whole device objective to bring the image in focus.

In some special circumstances of using an upright system for observation of a chip, there are some physical limitations to move the sample in X-Y direction or even because of some physiological reasons, one does not like any perturbation or artificial effects of motion to occur. Meanwhile we like to inspect several locations of the sample, take image or record the video.

Therefore, we need to build a microscopy system which allows observation from top in which the whole imaging module shall be moved around. The system requires a high magnification such as 40x obj lens (400x total magnification).

Imaging Solution

Considering the details mentioned above and the limitation of using a high-magnification lens, a stereoscope is not a good option. Bioimager designed BVM500 with following parts:

a) A heavy duty stand to avoid any shaking or vibration

b) Fine/coarse focus mechanism to use with high magnification lenses

c) Epi-White imaging module

Using epi-white LED illumination, reflection brightfield images can be observed. It is also possible to have polarization, darkfield and fluorescence imaging.

d) High-Power LED Illumination

e) High-Speed Camera with adjustable focus c-mount adapter

The 6.3MP camera in this design has minimum 0.020ms or 20us exposure time.

 

 

Technical Specifications

1. Optical Parts

BIVM500C-BF-U
OpticsInfinity-corrected
IlluminationReflected white LED
LED Life Time> 10,000 hours
PowerAC/DC adapter
OpticsChroma or Omega Optical beam splitter
Image Size100 kB-4MB
Objectives5x, 10x,20x, 40x or 50x
Operating Condition0°C- 42°C, 5%-99% RH non-condensing
Warranty1 year

 

2. Camera

Order CodeSensor & Size

(mm)

Pixel (μm)G Sensitivity
Dark Signal
FPS/ResolutionBinningExposure
BIC-E3S-6.3MB6.3M/IMX178(C)

1/1.8″(7.37×4.92)

2.4×2.4425mv with 1/30s
0.15mv with 1/30s
59 @3072×2048
59 @1536×1024
1×1

2×2

0.02ms-15s
BIC-L3C-5.1MPA5.1M/MT9P006(C)

1/2.5″ (5.63×4.23)

2.2×2.21.76v/lux-sec
67.7dB
38.5dB
[email protected]×1922
[email protected]×960
[email protected]×480
1×1

2×2

4×4

0.05ms~2000ms
BIC-E3S-1.5MA1.5M/IMX273(C,GS)

1/2.9″(4.968×3.726)

3.45×3.451145mv with 1/30s
0.15mv with 1/30s
164 @1440×1080
320 @720×540
1×1
2×2
0.1ms~15s
BICS-4.2MA4.2M/GSENSE2020S

(M, RS or GS)
1.2”(13.31×13.31)

6.5×6.58.1×107 (e-/((W/m2).s))
Peak QE 64.2% @595nm DS
[email protected]×2046
[email protected] x 1023
1×1
2×2
0.01ms~1000s

 

3. Heavy-Duty Stand

ISZ-F3 Boom Stand

  • Dual arm universal stand
  • Post height: 490mm, Φ38mm
  • Base size: 253*253mm
  • Heavy base (35 lbs/17kg) for excellent stability

 

4. Focus Mechanism

Focus HoldersFine and Coarse Focus Mechanism

 

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