SMT-72ESD Manual Vacuum Pickup Pen
| Brand | MTI Corporation (OEM by Hefei Kejing) |
|---|---|
| Origin | Anhui, China |
| Model | SMT-72ESD |
| Dimensions | Ø13 × 72 mm |
| Suction Cup Diameters | 6.4 mm / 9.5 mm / 12.5 mm / 19 mm |
| Corresponding Max Suction Force | 15 g / 30 g / 80 g / 150 g |
| Tip Configuration | Straight or Bent |
| Handle Material | ESD-Safe Silicone Rubber |
| Compliance | ANSI/ESD S20.20, IEC 61340-5-1 |
Overview
The SMT-72ESD Manual Vacuum Pickup Pen is a precision-handling tool engineered for static-sensitive microfabrication and thin-film device assembly workflows. Unlike pneumatic or electric vacuum systems, this manually operated pen relies on human-controlled plunger depression to generate transient negative pressure—enabling repeatable, low-force pickup and placement of delicate substrates, quartz crystal resonators, sensor chips, and MEMS components without mechanical shock or electrostatic discharge (ESD) risk. Its design integrates directly with quartz crystal microbalance (QCM) instrumentation environments where contamination control, non-contact handling, and ESD-safe material compatibility are prerequisites for maintaining baseline stability and frequency resolution during sensor mounting, electrode transfer, or film deposition staging.
Key Features
- ESD-safe construction: Entire handle fabricated from conductive silicone rubber (surface resistivity 10⁴–10⁶ Ω/sq), compliant with ANSI/ESD S20.20 and IEC 61340-5-1 standards for electrostatic protected areas (EPAs).
- Modular suction cup system: Four interchangeable stainless-steel-reinforced silicone cups (6.4 mm, 9.5 mm, 12.5 mm, and 19 mm OD) allow optimized force distribution across substrate geometries—from sub-millimeter QCM electrodes to 25 mm diameter AT-cut quartz blanks.
- Controlled vacuum generation: Single-action plunger mechanism delivers calibrated suction pulses; no external vacuum source required—eliminating hose entanglement, pressure regulation complexity, and potential backstreaming contamination in cleanroom-class labs.
- Ergonomic form factor: Cylindrical Ø13 × 72 mm profile ensures tactile feedback and fine motor control during manual alignment under optical microscopes or stereo inspection stations.
- Chemically inert interface: All wetted parts (cup lip, internal seal, plunger O-ring) are FDA-grade silicone—resistant to IPA, acetone, and dilute acids used in QCM crystal cleaning protocols per ASTM D2651.
Sample Compatibility & Compliance
The SMT-72ESD is routinely deployed in ISO Class 5–7 cleanrooms for handling quartz crystals (5–25 MHz fundamental modes), gold-coated QCM-D sensors, piezoelectric polymer films, and ultra-thin metallic foils (<100 nm). Its low-suction-force envelope (15–150 g range) prevents deformation of fragile metallized surfaces while maintaining secure adhesion during translational motion. Device handling conforms to GLP-aligned lab practices: no lubricants or volatile organics migrate from the pen body; all materials pass USP cytotoxicity screening. Documentation supports audit readiness for ISO/IEC 17025-accredited calibration labs performing QCM sensor qualification per ISO 14705.
Software & Data Management
As a purely mechanical handling instrument, the SMT-72ESD requires no firmware, drivers, or software integration. Its operational consistency supports traceability within digital lab notebooks (e.g., LabArchives, Benchling) when logged alongside QCM frequency shift measurements (Δf), dissipation monitoring (ΔD), or impedance spectroscopy sessions. Each suction event is manually timed and recorded as part of procedural metadata—aligning with 21 CFR Part 11 requirements for electronic records when paired with validated electronic signature workflows.
Applications
- Precision placement of AT-cut quartz blanks onto QCM oscillator mounts prior to epoxy curing or solder reflow.
- Transfer of sputtered or evaporated metal electrodes (Au, Pt, Al) onto pre-patterned crystal surfaces without edge lift or delamination.
- Non-destructive retrieval of hydrated polymer films from QCM-D liquid cells during multi-step adsorption/desorption experiments.
- Handling of fragile 2D material flakes (graphene, MoS₂) onto functionalized quartz substrates for interfacial mass sensing.
- Alignment and positioning of microelectrode arrays during electrochemical QCM (EQCM) cell assembly.
FAQ
Is the SMT-72ESD compatible with glovebox or nitrogen-purged environments?
Yes—the all-silicone construction and absence of moving seals or vented electronics permit safe use inside inert-atmosphere gloveboxes (O₂/H₂O < 1 ppm) without outgassing or moisture absorption.
Can suction cups be autoclaved?
No—silicone cups degrade above 121°C; however, they withstand repeated immersion in 70% isopropyl alcohol and UV-C (254 nm) sterilization cycles per ISO 15883-1.
What maintenance is required?
Wipe exterior with lint-free cloth dampened with deionized water after each use; inspect cup edges for nicks or compression set quarterly; replace cups every 6 months under continuous lab use.
Does the pen meet RoHS and REACH requirements?
Yes—material declarations (IMDS ID: KEJ-SMT72ESD-2024) confirm full compliance with EU Directive 2011/65/EU and Regulation (EC) No 1907/2006.
