100KRAFT
CASE STUDY // 042024IoT & Smart Hardware

GrainzTag #Pet

Zero bulk. IP68 sealed smart identity capsule.

SCOPE DISCIPLINES

Electronics Packaging · NFC Integration · Laser Etching · IP68 Sealing

Product DesignElectronics IntegrationManufacturingPackaging
GrainzTag Pet Smart Tag
Water Resistance

IP68 (Submersible)

Weight

8.5g

NFC Read Range

35mm

Abrasion Resistance

Shore 85D Surface

01Overview & Objectives

Pet tags experience aggressive mechanical abrasion, mud, and water immersion. Instead of cheap printed plastic or metal that fades, GrainzTag encapsulates a tuned high-frequency NFC antenna inside high-strength optical polymer with deep subsurface laser engraving that can never wear off.

02Engineering Challenge

Antenna Detuning & Scuff Degradation

Metal split-rings and moisture detune NFC resonance. Surface-printed QR codes rub off within weeks of outdoor collar movement.

CRITICAL TOLERANCES & CONSTRAINTS
  • ▸Encapsulation material must match dielectric constant of NFC tag to preserve read range.
  • ▸Ultra-compact form factor suitable for both small cats and large dogs.
03CAD Architecture & DFM

Micro-cavity Injection Geometry

The internal cavity holds the tag in absolute center during polymer injection, preventing off-axis antenna displacement.

04Manufacturing & Tooling

Subsurface Fiber Laser & UV Barrier

Direct fiber laser etching burns identification data inside the polymer layer. UV-stabilizers prevent yellowing under intense Mediterranean sun.

05Outcome & Verification

Shipped Globally

In continuous production at our workshop, serving pet owners with instant cloud-connected animal safety profiles.

PROCESS STAGES (2)
GrainzTag Pet Smart Tag
Encapsulated Tag

GrainzTag #Pet Sealed Capsule

Compact matte black capsule with stainless collar ring.

GrainzTag Laser Precision Detail
Laser Detail

High-density Laser Marking

Instant phone tap read without apps required.

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