Gallium Phosphide Wafers
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GaP LED
We have a large selection of Gallium Phoshide Wafers in Stock. Below are some of the specs.
Great for low cost light emitting diodes (LEDs) 
| Item | Qty in Stock |
Material | Orient. | Diam (mm) |
Thck (μm) |
Surf. | Resistivity Ωcm |
Nc a/cm3 |
Mobil cm2/Vs |
EPD /cm2 |
Comment |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5229 | 10 | undoped GaP:- | [100] | 2" | 350 | P/P | n-type 0.104 | <4E16 | >141 | <1E5 | EJ Flats; Epi Ready |
| G543 | 1 | undoped GaP:- | [110] ±0.5° | 5×6mm | 400 | P/P | n-type >0.9 | <5E16 | 140 | <4.7E4 | Ohmic Contacts on the 0.4x6mm edges |
| 4898 | 2 | undoped GaP:- | [111B] ±0.5° | 2" | 400 | P/E | n-type 240 | 1.6E14 | 160 | <5E4 | EJ Flats, Epi Ready |
| 5161 | 2 | n-type GaP:S | [100-10° towards[110]] ±1° | 2" | 302 | P/E | 0.115 | 4.75E17 | 115 | <8E4 | EJ Flats; Epi Ready |
| 4348 | 1 | n-type GaP:S | [100-6° towards[111]] ±1° | 2" | 400 | P/E | 0.058 | 9.9E17 | 107 | <5.3E4 | SEMI Flats; Epi Ready |
| 5170 | 1 | n-type GaP:S | [111A] ±0.5° | 2" | 350 | P/E | 0.043 | 1.8E18 | 81 | <1E5 | SEMI Flats; Epi Ready |
| 5034 | 1 | p-type GaP:Zn | [100] | 2" | 400 | P/E | 0.164 | 5.5E17 | 69 | <5.3E4 | SEMI Flats; Epi Ready, Wafers have small edge chips near PF |
| 4324 | 1 | p-type GaP:Zn | [111B] ±0.5° | 2" | 350 | P/E | 0.34 | 2.4E17 | 75 | <5E4 | SEMI Flats (PF@[110], SF@[112]), Epi Ready, Wafer unsealed |
| 99B | 15 | p-type GaP:Cd | [100] | 2" | 400 | C/C | 2.2 | 2.5E16 | 120 | <8E4 | P/E or P/P, SEMI/EJ Flats, to be polished, MOQ=5 wafers |
| 99A | 1 | p-type GaP:Cd | [100] | 2" | 400 | P/E | 2.0 | 2.5E16 | 120 | <8E4 | SEMI Flats; Epi Ready, doped with Cadium; More such wafers can be made |
| 178 | 7 | SI GaP:Cr | [100] | 2" | 400 | P/E | 2E10 | 4.1E6 | 75 | <5E4 | US Flats; Black spots on surface |
| 219A | 1 | undoped GaP:- | [100] | 3" | 400 | P/P | n-type 0.21-0.29 | (1.5-2.3)E17 | 128-140 | <2E5 | SEMI Flats; Chips at edge |
| 261 | 4 | undoped GaP:- | [100] | 2" | 450 | P/E | n-type >34 | <1.21E15 | 60-140 | <5E4 | SEMI Flats; Bubbles near edge |
| 358A | 10 | undoped GaP:- | [100] | 2" | 400 | P/E | n-type >1E12 | <1E4 | <50 | Semi-Insulating, Compensated material | |
| 347A | 1 | undoped GaP:- | [100] | 2" | 300 | P/P | n-type 1.4E8 | 2.9E8 | 150 | <5E4 | EJ Flats; Edge Chips at Secondary Flat |
| 287A | 13 | undoped GaP:- | [100] | 2" | 450 | C/C | n-type 1E7 | 4E9 | 161 | <5.3E4 | P/E or P/P, SEMI/EJ Flats, to be polished, MOQ=5 wafers |
| 112 | 1 | undoped GaP:- | [100] | 2" | 600 | P/P | n-type 2.15 | 1.6E16 | 170 | <6.2E4 | Epi Ready; Back-side has micro-scratches |
| 249 | 2 | undoped GaP:- | [100] | 2" | 1,000 | P/P | n-type 0.24 | 2E17 | 130 | <8E4 | EJ Flats, Epi Ready |
| 249B | 1 | undoped GaP:- | [100] | 2" | 5,000 | C/C | n-type 0.17-0.24 | (2-3.2)E17 | 119-130 | <8E4 | Unpolished |
| 170A | 1 | undoped GaP:- | [110] ±0.5° | 2" | 250 | P/E | n-type 0.94-320.00 | (3.7-560)E14 | 134-164 | Epi Ready | |
| 337 | 8 | undoped GaP:- | [111B] ±0.5° | 2" | 400 | P/E | n-type >240 | <1.6E14 | 150-160 | <8E4 | 111A/111B, SEMI/EJ Flats, P/E or P/P, to be polished, MOQ=5 wafers |
| 166 | 9 | undoped GaP:- | [111B] ±0.5° | 2" | 400 | C/C | n-type >0.35 | <1E17 | >140 | <5E4 | 111A/111B, SEMI/EJ Flats, P/E or P/P, to be polished, MOQ=5 wafers |
| 166A | 4 | undoped GaP:- | [111B] ±0.5° | 2" | 400 | P/E | n-type >0.35 | <1E17 | >140 | <5E4 | EJ Flats; Epi Ready |
| 337B | 1 | undoped GaP:- | [111B] ±0.5° | 2" | 400 | P/E | n-type 160 | 1.6E14 | 160 | <5E4 | EJ Flats, TEST grade - 6mm scratch 5mm from edge |
| 252A | 1 | undoped GaP:- | [111B] | 2" | 400 | P/E | n-type 86 | 4E14 | 180 | <6E4 | EJ Flats, Minor defects on the edge |
| 349 | 9 | undoped GaP:- | [111B] ±0.5° | 2" | 400 | C/C | n-type 2.3-3.2 | (1.2-1.6)E16 | 165 | <5E4 | 111A/111B, SEMI/EJ Flats, P/E or P/P, to be polished, MOQ=5 wafers |
| 88C | 1 | n-type GaP:S | [100-2° towards[111]] ±0.5° | 2" | 400 | P/E | 0.20 | 2.9E17 | 110 | <2E5 | SEMI Flats; TEST grade - 0.3mm chip on edge |
| 88D | 1 | n-type GaP:S | [100-2° towards[111]] ±0.5° | 2" | 400 | P/E | 0.20 | 2.9E17 | 110 | <2E5 | SEMI Flats; Epi Ready, with edge chip ~0.3mm |
| 296 | 3 | n-type GaP:S | [100-10° towards[110]] ±1° | 2" | 302 ±20 | P/E | 0.115 | 4.75E17 | 115 | <8E4 | EJ Flats; Epi Ready |
| 280 | 2 | n-type GaP:S | [100-10° towards[110]] ±1° | 2" | 302 ±20 | P/E | 0.11 | 4.79E17 | 112 | <5.5E4 | EJ Flats; Epi Ready |
| 268 | 2 | n-type GaP:S | [100-10° towards[110]] ±1° | 2" | 302 | P/E | 0.11 | 5.3E17 | 105 | <8.9E4 | EJ Flats; Epi Ready |
| 304 | 3 | n-type GaP:S | [100] | 2" | 350 | P/E | 0.065 | 8.9E17 | 107 | <6E4 | US Flats; Epi Ready |
| 304B | 1 | n-type GaP:S | [100] | 2" | 350 | P/E | 0.065 | 8.9E17 | 107 | <6E4 | US Flats, Epi Ready, Scratch on back-side |
| 304D | 11 | n-type GaP:S | [100] | 2" | 680 | C/C | 0.064 | 9.1E17 | 106 | <6E4 | SEMI/EJ Flats, P/E or P/P, to be polished, MOQ=5 wafers |
| 304C | 2 | n-type GaP:S | [100] | 2" | 400 | P/P | 0.064 | 9.1E17 | 108 | <6E4 | US Flats; Epi Ready |
| 78B | 1 | n-type GaP:S | [100-6° towards[111]] ±1° | 2" | 400 | P/E | 0.058 | 9.9E17 | 107 | <5.3E4 | SEMI Flats; Epi Ready |
| 244 | 3 | n-type GaP:S | [100-10° towards[011]] ±1° | 2" | 350 ±10 | P/E | 0.051 | 1.4E18 | 88 | <6.6E4 | SEMI Flats; Epi Ready |
| 129A | 3 | n-type GaP:S | [100] | 2" | 400 | P/E | 0.0364 | 1.91E18 | 90 | <7E4 | US Flats; Epi Ready |
| 276 | 5 | n-type GaP:S | [100-6° towards[111B]] ±1° | 2" | 400 | P/E | 0.0375 | 2.3E18 | 72 | <5.8E4 | EJ Flats; Epi Ready |
| 010C | 2 | n-type GaP:S | [111B-6° towards[1,1,2]] ±1° | 2" | 400 | P/E | 0.140 | 4.1E17 | 107 | <6E4 | SEMI Flats; Epi Ready |
| 009 | 3 | n-type GaP:S | [111B] ±0.5° | 2" | 275 | P/E | 0.136 | 4.37E17 | 105 | <5E4 | NO Flats; Epi Ready |
| 010A | 2 | n-type GaP:S | [111A-6° towards[112]] ±1° | 2" | 400 | P/E | 0.125 | 4.5E17 | 110 | <6E4 | EJ Flats (PF@[1,-1,0], SF@[-1,-1,2]), Epi Ready |
| 012A | 1 | n-type GaP:S | [111B] ±0.5° | 2" | 400 | P/E | 0.10 | 5.9E17 | 104 | <7.8E4 | EJ Flats (PF@[-1,1,0], SF@[1,1,-2]), Epi Ready |
| 012B | 1 | n-type GaP:S | [111B] ±0.5° | 2" | 400 | P/E | 0.075 | 8.6E17 | 96 | <7.8E4 | EJ Flats (PF@[-1,1,0], SF@[1,1,-2]); Epi Ready |
| 148C | 1 | n-type GaP:S | [111A] ±0.5° | 2" | 350 | P/E | 0.043 | 1.6E18 | 90 | <1.3E5 | SEMI Flats; Epi Ready |
| 148D | 1 | n-type GaP:S | [111A] ±0.5° | 2" | 350 | P/E | 0.043 | 1.8E18 | 81 | <1E5 | SEMI Flats; Epi Ready |
| 148E | 1 | n-type GaP:S | [111A] ±0.5° | 2" | 350 | P/E | 0.042 | (1.8-2)E18 | 76 | <2E5 | US Flats; Epi Ready |
| 148F | 1 | n-type GaP:S | [111B] ±0.5° | 2" | 350 | P/E | 0.042 | (1.8-2)E18 | 76 | <2E5 | EJ Flats; Epi Ready |
| 148A | 1 | n-type GaP:S | [111A] ±0.5° | 2" | 350 | P/E | 0.042 | 2E18 | 76 | <2E5 | SEMI Flats; TEST grade, not fully polished |
| 148B | 1 | n-type GaP:S | [111B] | 2" | 400 | P/P | 0.041 | 2E18 | 72 | <2E5 | EJ Flats; TEST grade - Small scratch |
| 242A | 6 | n-type GaP:S | [311] ±0.5° | 2" | 540 | P/E | 0.06 | 1E18 | 100 | <5E4 | Epi Ready |
| 284C | 5 | p-type GaP:Zn | [100-6° towards[111A]] ±1° | 2" | 400 | P/E | 0.44 | 2.2E17 | 64 | <5.7E4 | SEMI Flats; Epi Ready |
| 284B | 2 | p-type GaP:Zn | [100-2° towards[110]] ±0.5° | 2" | 400 | P/E | 0.43 | 2.4E17 | 61 | <4.7E4 | SEMI Flats; Epi Ready |
| 285C | 1 | p-type GaP:Zn | [100] | 2" | 1,000 | P/E | 0.088 | 1.3E18 | 56 | <4E4 | SEMI Flats; Epi Ready |
| 344A | 1 | p-type GaP:Zn | [100] | 2" | 350 | P/E | 0.045-0.053 | (1.8-2.3)E18 | 58-64 | <5E4 | SEMI Flats; Epi Ready |
| 344B | 1 | p-type GaP:Zn | [100] | 2" | 350 | P/E | 0.045-0.053 | (1.8-2.3)E18 | 58-64 | <5E4 | SEMI Flats; Epi Ready, Back-side poorly lapped |
| 344C | 2 | p-type GaP:Zn | [100] | 2" | 400 | P/E | 0.045-0.053 | (1.8-2.3)E18 | 58-64 | <5E4 | SEMI Flats; TEST grade - Back-side scratched |
| 344D | 4 | p-type GaP:Zn | [100] | 2" | 400 | P/E | 0.045-0.053 | (1.8-2.3)E18 | 58-64 | <5E4 | SEMI Flats; Epi Ready |
| 328 | 3 | p-type GaP:Zn | [100-6° towards[111B]] ±1° | 2" | 400 | P/E | 0.047 | 2.2E18 | 60 | <5.3E4 | SEMI Flats; Epi Ready |
| 319 | 2 | p-type GaP:Zn | [111B] ±0.5° | 2" | 450 | P/E | 0.069-0.074 | (1.3-1.4)E18 | 65-66 | <5E4 | SEMI Flats; Epi Ready |
| 319B | 4 | p-type GaP:Zn | [111B] ±0.5° | 2" | 400 | P/P | 0.069-0.074 | (1.3-1.4)E18 | 65-66 | <5E4 | SEMI Flats; Epi Ready |
| 246 | 1 | p-type GaP:Zn | [311] ±1° | 2" | 350 ±10 | P/E | 0.11 | 8.7E17 | 68 | <2.5E4 | SEMI Flats (PF@[110], SF 90° CCW from PF), Epi Ready |
| 243A | 10 | p-type GaP:Zn | [311] ±0.5° | 2" | 350 | P/E | 0.085 | 1.15E18 | 64 | <2.2E4 | SEMI Flats; Epi Ready |