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Twin Needles

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Description

Twin Needles are designed for small elongated die applications (≤0.7mmx1.0mm) to reduce the propensity of tilted dies during the ejection process. For elongated dies, single tip needles with one point of contact will create a pivot action and cause the die to see-saw when being ejected. Our line of Twin Needles are designed and manufactured to the most stringent tolerances. Both twin ejector tips are controlled with a common datum for maximum flatness during the ejection process. Quad Needles come with 0.7mm diameter and will fit into most standard needle holders. Oricus manufactures a wide range of Twin Needles to fit various die sizes. Pitch-to-Pitch positions start from 0.30mm x 0.30mm and tip radiuses start from R0.015mm. We can customize Twin Needles with additional features according to your die size, process or application requirements.

Features

  • Better for small elongated dies compared to Single Needle or Quad Needles
  • Comes in Cemented Carbide, HSS and Stainless Steel materials
  • For Pierce-Through or small die applications, special sub-micron grade Cemented Carbide materials are available
  • Needle Pitch-to-Pitch, radius and diameter are fully customizable according to your requirements

Benefits

  • Twin Needle’s 2 point contact with even distribution of force during ejection for elongated dies offers better balance as compared to Quad Needles
  • One-time set up of Quad Needles eliminates needle offset issues with multiple single tip needles
  • Multiple Twin Needles can be implemented for larger elongated dies (≥1.0mm x 3.0mm) to reduce contact pressure per ejection point while improving overall ejection stability

Material Information

Each and every material selected for use in our products go through a stringent Selection, Development and Assessment process. In-house developed compounds are developed with the latest innovations in material technology and feature formulations that are designed specially for use in the Semiconductor industry. For externally procured materials, each material goes through a rigorous Quality Assurance and Performance Assessment programme before being qualified for use in our products.
Material Description Hardness ESD Surface Resistance (Ω) Service Temperatures (Deg C)
Cemented Carbide (WC) Carbide, K15 HV30 1740 Conductive (< E2) >800
Carbide, K30 HV30 1450 - 1570 Conductive (< E2) >800
Carbide, M30 HV30 HV30 1570 - 1600 Conductive (< E2) >800
Carbide K40 HV30 1315 - 1350 Conductive (< E2) >800
Carbide, MG30 no data Conductive (< E2) >800
Superalloys (SA) Haynes 25 (L605) HRC 20 - 22 Conductive (< E2) >800
Inconel Alloy 625 HRC 30.5 - 41 Conductive (< E2) >800
Inconel Alloy 718 HRC 23 - 48 Conductive (< E2) >800
Incoloy Alloy 925 HRC 26 - 38 Conductive (< E2) >800
Nitronic 50 HRC 22 - 41 Conductive (< E2) >800
Nitronic 60 HRC 24 - 46 Conductive (< E2) >800
Titanium Grade 2 HRC 3 - 16 Conductive (< E2) >800
Stellite 6 HRC 36 - 46 Conductive (< E2) >800
Stellite 31 HRC 30 Conductive (< E2) >800
Performance Engineering Plastics (SP) Torlon 4435 (PAI ESD) Rockwell M106, E62 Static Dissipative (E6 to E9) 278
Torlon 4301 (PAI) Rockwell E70 - 72 Insulative (>E10) 279
Torlon 5030 (PAI) Rockwell E90 - 94 Insulative (>E10) 278
Torlon 7130 (PAI) Rockwell E91 - 94 Conductive (< E5) 282
Vespel SCP5050 (PI) Rockwell E63 Conductive (< E5) 280
Vespel SP-21 (PI) Rockwell E25-45 Insulative (>E10) 250
Vespel SP-1 (PI) Rockwell E45-60 Insulative (>E10) 240
ESD Semitron 520 Rockwell M110, E73 Static Dissipative (E10 to E12) 250
ESD Semitron 420 Rockwell M118 Static Dissipative (E6 to E9) 171
ESD Semitron 410C Rockwell M115 Static Dissipative (E4 to E6) 170
ESD Semitron 225 Rockwell M106 Static Dissipative (E9 - E10) 90
Engineering Plastics (EP) PEEK Rockwell M55 - 100 Insulative (>E10) 260
PEEK HT Rockwell M100 Insulative (>E10) 260
PEEK GF 30% Rockwell M70 - 103 Insulative (>E10) 260
PEEK CF 30% Rockwell M70 - 107 (298 MPa) Static Dissipative (E6 to E9) 260

Product Information

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Standard Sizes

Part Number L (mm) ØD (mm) PITCH SR (mm)
ENT-VCUS-1200-070-32-015 12.00 0.70 0.32 0.015
ENT-VCUS-1200-070-32-025 12.00 0.70 0.32 0.025
ENT-VCUS-1200-070-32-050 12.00 0.70 0.32 0.050
ENT-VCUS-1200-070-46-015 12.00 0.70 0.46 0.015
ENT-VCUS-1200-070-46-025 12.00 0.70 0.46 0.025
ENT-VCUS-1200-070-46-050 12.00 0.70 0.46 0.050
ENT-VCUS-1700-070-32-015 17.00 0.70 0.32 0.015
ENT-VCUS-1700-070-32-025 17.00 0.70 0.32 0.050
ENT-VCUS-1700-070-32-050 17.00 0.70 0.32 0.050
ENT-VCUS-1700-070-46-015 12.00 0.70 0.46 0.015
ENT-VCUS-1700-070-46-025 12.00 0.70 0.46 0.025
ENT-VCUS-1700-070-46-050 12.00 0.70 0.46 0.050
ENT-VCUS-1700-070-46-100 12.00 0.70 0.46 0.100

Customized Designs

If you are unable to find a size that fits your application from our catalog, get in touch with us and our Application Experts will provide you with a customized turnkey solution according to your die size, process and application.

Part Numbers And Ordering

E N
Product
Code
EN - Ejector Needles
T
Needle
Type
  • Q - Quad Tip
  • T - Twin Tip
  • C - Custom Tip
V
Material
Code
  • V - Carbide
  • Y - Superalloys
  • L - Stainless Steels
  • S - Steels
C
Material
Grade
A to Z Refer to material tables for full listing
U
Bosy
Design
  • U - Uniform
  • S - Step
  • H - Shoulder
S
Tip
Design
  • S - Spherical Radius
  • F - Flat
  • W - Flat with Radius
1 2 0 0
Overall
Length
1700 - 17mm Produced according to your desired needle length
0 7 0
Needle
Diameter
Diameter of Needle Body 100 - 10mm
3 2
Pitch
46 - 0.46mm
0 1 5
Tip
Radius
050 - 0.50mm
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